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Document and Entity Information - shares	9 Months Ended
Document and Entity Information - shares	Sep. 30, 2019	Oct. 30, 2019
Document And Entity Information [Abstract]
Document Type	10-Q
Document period end date	Sep. 30, 2019
Amendment flag	false
Document Period Focus	Q3
Document Fiscal Year Focus	2019
Current fiscal year end date	--12-31
Entity central index key	0001123494
Entity current reporting status	Yes
Entity filer category	Accelerated Filer
Entity registrant name	HARVARD BIOSCIENCE INC
Entity common stock shares outstanding		38,066,101
Entity emerging growth	false
Entity small business	true
Entity Shell Company	false

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Current Assets:
Cash and cash equivalents	$ 6,845	$ 8,173
Accounts receivable, net of allowance for doubtful accounts of $364 and $332, respectively	17,085	21,463
Inventories	23,894	25,087
Other receivables and other assets	4,465	3,109
Total current assets	52,289	57,832
Property, plant and equipment, net	5,234	5,898
Operating Lease, Right-of-Use Asset	8,497	0
Deferred income tax assets	0	0
Amortizable intangible assets, net	38,580	44,532
Goodwill	56,637	57,304
Other indefinite lived intangible assets	1,220	1,232
Other long-term assets	320	1,815
Total Assets	162,777	168,613
Current liabilities:
Current portion, long-term debt	2,607	5,982
Current portion, operating lease liabilities	2,424	0
Accounts payable	5,266	7,359
Deferred revenue	3,550	3,820
Accrued income taxes	385	978
Accrued expenses	7,465	7,350
Other liabilities - current	0	0
Total current liabilities	21,697	25,489
Long-term debt, less current installments	51,712	54,813
Deferred tax liability	2,267	2,301
Operating lease liabilities	8,342	0
Other long term liabilities	1,656	3,286
Total liabilities	85,674	85,889
Commitments and contingencies
Stockholders Equity Abstract
Preferred stock, par value $0.01 per share, 5,000,000 shares authorized	0	0
Common stock, par value $0.01 per share, 80,000,000 shares authorized; 45,810,358 and 45,124,309 shares issued and 38,064,851 and 37,378,802 shares outstanding, respectively	436	436
Additional paid-in-capital	228,177	226,377
Accumulated deficit	(125,125)	(119,889)
Accumulated other comprehensive loss	(15,717)	(13,532)
Treasury stock at cost, 7,745,507 common shares	(10,668)	(10,668)
Total stockholders' equity	77,103	82,724
Total liabilities and stockholders' equity	$ 162,777	$ 168,613

CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
CONSOLIDATED BALANCE SHEETS
Allowance for doubtful accounts	$ 364	$ 332
Preferred Stock Par value	$ 0.01	$ 0.01
Preferred Stock - Shares Authorized	5,000,000	5,000,000
Common stock par value	$ 0.01	$ 0.01
Common Stock- Shares Authorized	80,000,000	80,000,000
Common Stock- Shares Issued	45,810,358	45,124,309
Common Stock- Shares Outstanding	38,064,851	37,378,802
Treasury Stock common shares	7,745,507	7,745,507

CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
CONSOLIDATED STATEMENTS OF OPERATIONS
Revenues	$ 27,418	$ 28,635	$ 85,204	$ 86,916
Cost of revenues	12,439	12,818	38,116	42,475
Gross profit	14,979	15,817	47,088	44,441
Sales and marketing expenses	5,294	6,021	17,370	17,976
General and administrative expenses	6,604	4,655	17,215	15,297
Research and development expenses	2,564	2,783	8,070	7,943
Amortization of intangible assets	1,422	1,468	4,289	3,983
Impairment charges	460	0	1,401	0
Total operating expenses	16,344	14,927	48,345	45,199
Operating loss	(1,365)	890	(1,257)	(758)
Other income (expense):
Foreign exchange	125	(26)	32	(28)
Interest expense, net	(1,348)	(1,458)	(4,129)	(3,835)
Interest income	0	0	0	0
Other expense, net	(86)	(314)	(246)	(3,399)
Other expense, net	(1,309)	(1,798)	(4,343)	(7,262)
Loss from continuing operations before income taxes	(2,674)	(908)	(5,600)	(8,020)
Income tax expense (benefit)	(54)	(652)	(363)	(416)
Loss from continuing operations	(2,620)	(256)	(5,237)	(7,604)
Discontinued operations:
Income (loss) from discontinued operations before income taxes	0	0	0	937
Income tax (benefit) expense	0	0	0	(883)
Income (loss) from discontinued operations	0	0	0	1,820
Net loss	$ (2,620)	$ (256)	$ (5,237)	$ (5,784)
Loss per share:
Basic earnings per common share from continuing operations	$ (0.07)	$ (0.01)	$ (140)	$ (210)
Basic earnings (loss) per common share from discontinued operations	0	0	0	0.05
Basic loss per common share	(0.07)	(0.01)	(140)	(160)
Diluted loss per common share from continuing operations	(0.07)	(0.01)	(140)	(210)
Diluted earnings (loss) per common share from discontinued operations	0	0	0	0.05
Diluted loss per common share	$ (0.07)	$ (0.01)	$ (140)	$ (160)
Weighted average common shares:
Basic	38,036,261	36,947,052	37,764,489	36,169,536
Diluted	38,036,261	36,947,052	37,764,489	36,169,536
Comprehensive loss:
Net loss	$ (2,620)	$ (256)	$ (5,237)	$ (5,784)
Foreign currency translation adjustments	(1,495)	395	(1,686)	(1,037)
Derivatives qualifying as hedges, net of tax:
(Loss) gain on derivative instruments designated and qualifying as cash flow hedges	(78)	126	(572)	27
Amounts reclassified from accumulated other comprehensive loss to net loss	37	55	73	99
Total comprehensive loss	$ (4,156)	$ 320	$ (7,422)	$ (6,695)

CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]
Total stockholders' equity at begining of the year, Value at Dec. 31, 2017	$ 80,900	$ 419	$ 218,792	$ (116,967)	$ (10,676)	$ (10,668)
Stock option exercises	5,128	11	5,117
Shares issued under stock purchase plan	(11)	0	(11)
Vesting of restricted stock units	9	9
Shares withheld for taxes	(604)	(4)	(600)
Stock compensation expense	2,232		2,232
Net income (loss)	(5,784)			(5,784)
Other Comprehensive Income (Loss)	(911)				(911)
Total stockholders' equity at year end, Value at Sep. 30, 2018	$ 80,959	$ 435	225,530	(122,751)	(11,587)	(10,668)
Beginning balance shares at Dec. 31, 2017	42,764,000	42,764,000
Stock option exercises, shares	1,690,000	1,690,000
Stock purchase plan, shares	25,000	25,000
Vesting of restricted stock units, shares	895,000	895,000
Shares withheld for taxes, shares	(341,000)	(341,000)
Ending balance shares at Sep. 30, 2018	45,033,000	45,033,000
Total stockholders' equity at begining of the year, Value at Jun. 30, 2018	$ 77,012	$ 427	221,910	(122,495)	(12,162)	(10,668)
Stock option exercises	3,142	8	3,134
Shares issued under stock purchase plan	0		0
Vesting of restricted stock units	1	1
Shares withheld for taxes	(1)	(1)
Stock compensation expense	486		486
Net income (loss)	(256)			(256)
Other Comprehensive Income (Loss)	575				575
Total stockholders' equity at year end, Value at Sep. 30, 2018	$ 80,959	$ 435	225,530	(122,751)	(11,587)	(10,668)
Beginning balance shares at Jun. 30, 2018	44,102,000	44,102,000
Stock option exercises, shares	971,000	971,000
Stock purchase plan, shares	0	0
Vesting of restricted stock units, shares	90,000	90,000
Shares withheld for taxes, shares	(130,000)	(130,000)
Ending balance shares at Sep. 30, 2018	45,033,000	45,033,000
Total stockholders' equity at begining of the year, Value at Dec. 31, 2018	$ 82,724	$ 436	226,377	(119,889)	(13,532)	(10,668)
Stock option exercises	0		0
Shares issued under stock purchase plan	(159)		(159)
Vesting of restricted stock units	0		0
Shares withheld for taxes	(551)		(552)	1
Stock compensation expense	2,193		2,193
Net income (loss)	(5,237)			(5,237)
Other Comprehensive Income (Loss)	(2,185)				(2,185)
Total stockholders' equity at year end, Value at Sep. 30, 2019	$ 77,103	$ 436	228,177	(125,125)	(15,717)	(10,668)
Beginning balance shares at Dec. 31, 2018	45,124,000	45,124,000
Stock option exercises, shares	2,500	3,000
Stock purchase plan, shares	94,000	94,000
Vesting of restricted stock units, shares	792,000	792,000
Shares withheld for taxes, shares	(203,000)	(203,000)
Ending balance shares at Sep. 30, 2019	45,810,000	45,810,000
Total stockholders' equity at begining of the year, Value at Jun. 30, 2019	$ 80,330	$ 436	227,249	(122,506)	(14,181)	(10,668)
Shares issued under stock purchase plan	(70)		(70)
Shares withheld for taxes	(128)		(129)		1
Stock compensation expense	987		987
Net income (loss)	(2,620)			(2,620)
Other Comprehensive Income (Loss)	(1,536)				(1,536)
Total stockholders' equity at year end, Value at Sep. 30, 2019	$ 77,103	$ 436	$ 228,177	$ (125,125)	$ (15,717)	$ (10,668)
Beginning balance shares at Jun. 30, 2019	45,640,000	45,640,000
Vesting of restricted stock units, shares	238,000	238,000
Shares withheld for taxes, shares	(68,000)	(68,000)
Ending balance shares at Sep. 30, 2019	45,810,000	45,810,000

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities:
Net loss	$ (5,237)	$ (5,784)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation	1,497	1,474
Amortization of Intangible Assets	4,289	4,030
Amortization of deferred financing costs	287	511
Stock-based compensation expense	2,193	2,232
Impairment charges	1,401	0
Gain on sale of Denville	0	(1,251)
Provision for allowance for doubtful accounts	394	3
Deferrred Income Taxes	41	66
Changes in operating assets and liabilities:
(Increase) decrease in accounts receivable	3,805	918
(Increase) decrease in inventories	635	2,112
Increase in other current assets	(147)	(1,184)
Increase (decrease) in accounts payable	(2,059)	(442)
Increase in accrued income taxes	(591)	211
Increase (decrease) in other current liabilities	180	(1,968)
(Decrease) increase in deferred revenue	(255)	1,929
Decrease in other long-term liabilities	(608)	(2,566)
Net cash provided by operating activities	5,825	291
Cash flows used in investing activities:
Additions to property, plant and equipment	(778)	(891)
Additions to catalog costs	(15)	(24)
Acquisitions, net of cash acquired	0	(68,008)
Disposition, net of cash sold	1,020	15,754
Net cash used in investing activities	227	(53,169)
Cash flows provided by (used in) financing activities:
Proceeds from issuance of debt	4,300	70,800
Repayments of debt	(11,103)	(19,947)
Payments of debt issuance costs	0	(1,967)
Net proceeds from (net taxes paid for) issuance of common stock	(392)	4,521
Net cash provided by (used in) financing activities	(7,195)	53,407
Effect of exchange rate changes on cash	(185)	399
(Decrease) increase in cash and cash equivalents	(1,328)	928
Cash and cash equivalents at the begining of period	8,173	5,733
Cash and cash equivalents at the end of period	6,845	6,661
Supplemental cash flow information [Abstract]
Cash paid for interest	4,226	3,509
Cash paid (refunded) for income taxes	$ 411	$ (170)

Basis of Presentation and Summary of Significant Accounting Policies	9 Months Ended
	Sep. 30, 2019
Basis of Presentation and Summary of Significant Accounting Policies Disclosure [Abstract]
Basis of Presentation and Summary of Significant Accounting Policies Disclosure [Text Block]	HARVARD BIOSCIENCE, INC. NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS 1. Basis of Presentation and Summary of Significant Accounting Policies Basis of Presentation The unaudited consolidated financial statements of Harvard Bioscience, Inc. and its wholly-owned subsidiaries (collectively, Harvard Bioscience or the Company) as of September 30, 2019 and for the three and nine months ended September 30, 2019 and 2018 have been prepared by the Company pursuant to the rules and regulations of the Securities and Exchange Commission (SEC). Certain information and footnote disclosures normally included in financial statements prepared in accordance with U.S. generally accepted accounting principles (U.S. GAAP) have been condensed or omitted pursuant to such rules and regulations. The December 31, 2018 consolidated balance sheet was derived from audited financial statements, but does not include all disclosures required by U.S. GAAP. However, the Company believes that the disclosures are adequate to make the information presented not misleading. These unaudited consolidated financial statements should be read in conjunction with the consolidated financial statements and the notes thereto included in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2018, which was filed with the SEC on March 18, 2019. In the opinion of management, all adjustments, which include normal recurring adjustments necessary to present a fair statement of financial position as of September 30, 2019, results of operations and comprehensive income (loss) for the three and nine months ended September 30, 2019 and 2018 and cash flows for the nine months ended September 30, 2019 and 2018, as applicable, have been made. The results of operations for the three months ended September 30, 2019 are not necessarily indicative of the operating results for the full fiscal year or any future periods. Prior Period Financial Statement Correction of Immaterial Error During the quarter ended March 31, 2019, the Company identified an immaterial misclassification error in the Company’s consolidated balance sheet as of December 31, 2018. The immaterial misclassification understated current portion, long term debt and overstated long term debt, less current installments. This misclassification, in the amount of approximately $4.0 million, related to the classification of the Company’s excess cash flow payment made to its lenders during the quarter ended March 31, 2019 as long term instead of current on its consolidated balance sheet at December 31, 2018. The misclassification had no impact on total reported debt. Refer to footnote 14 for further details. The Company assessed the materiality of this error on the financial statements for prior periods in accordance with the SEC Staff Accounting Bulletin (SAB) No. 99, Materiality, codified in Accounting Standards Codification (ASC) 250, Presentation of Financial Statements, and concluded that it was not material to any prior annual or interim periods. The Company recorded an adjustment to decrease long term debt, less current installments and increase current portion, long term debt in the consolidated balance sheet at December 31, 2018 with no impact on total reported debt. Reclassifications As disclosed in Note 5, on January 22, 2018, the Company sold substantially all the assets of its operating subsidiary, Denville Scientific, Inc. (Denville). The sale of Denville represented a strategic shift that had a major effect on the Company’s operations and financial results. As such and pursuant to Accounting Standards Codification (ASC) 205-20 – Presentation of Financial Statements - Discontinued Operations, the operating results of Denville for the three and nine months ended September 30, 2018 have been presented in discontinued operations in the consolidated statements of operations. These reclassifications and adjustments had no effect on total amounts within the consolidated balance sheets, consolidated statements of operations and comprehensive income (loss), consolidated statements of cash flows for any of the periods presented. Summary of Significant Accounting Policies The accounting policies underlying the accompanying unaudited consolidated financial statements are those set forth in Note 2 to the consolidated financial statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2018, which was filed with the SEC on March 18, 2019. Except for the accounting for leases as noted below there have been no material changes in the Company’s significant accounting policies during the nine months ended September 30, 2019. Leases The Company accounts for its leases in accordance with ASC 842 Leases. The Company leases office space, manufacturing facilities, automobiles and equipment. The Company concludes on whether an arrangement is a lease at inception. This determination as to whether an arrangement contains a lease is based on an assessment as to whether a contract conveys the right to the Company to control the use of identified property, plant or equipment for period of time in exchange for consideration. Leases with an initial term of 12 months or less are not recorded on the balance sheet. The Company recognizes these lease expenses on a straight line basis over the lease term. As of September 30, 2019, the Company has assessed its contracts and concluded that its leases consist of operating leases. Operating leases are included in operating lease right-of-use (ROU) assets, current portion of operating lease liabilities, and operating lease liabilities in the Company’s consolidated balance sheets. ROU assets represent the Company’s right to use an underlying asset for the lease term and lease liabilities represent the Company’s obligation to make lease payments arising from the lease. Operating lease ROU assets and liabilities are recognized at commencement date based on the present value of lease payments over the lease term. As most of the Company’s leases do not provide an implicit rate, the Company determines an incremental borrowing rate based on the information available at commencement date in determining the present value of lease payments. The incremental borrowing rate represents a significant judgment that is based on an analysis of the Company’s credit rating, country risk, treasury and corporate bond yields, as well as comparison to the Company’s borrowing rate on its most recent loan. The Company uses the implicit rate when readily determinable. The operating lease ROU asset also includes any lease payments made and excludes lease incentives. Lease expense for lease payments is recognized on a straight-line basis over the lease term. The Company has lease agreements with lease and non-lease components, which are generally accounted for separately. Additionally, for its leases, the Company applies a portfolio approach to effectively account for the operating lease ROU assets and liabilities.

Recently Issued Accounting Pronouncements	9 Months Ended
Recently Issued Accounting Pronouncements	Sep. 30, 2019
Recently Issued Accounting Pronouncements [Abstract]
Recently Issued Accounting Pronouncements Disclosure [Text Block]	2. Recently Issued Accounting Pronouncements In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, which amends the impairment model by requiring entities to use a forward-looking approach based on expected losses rather than incurred losses to estimate credit losses on certain types of financial instruments, including trade receivables. This may result in the earlier recognition of allowances for losses. The ASU is effective for public entities for fiscal years beginning after December 15, 2019, with early adoption permitted. In May 2019, the FASB issued ASU No. 2019-05, Financial Instruments – Credit Losses (Topic 326): Targeted Transition Relief, which provided additional implementation guidance on the previously issued ASU. Management has not yet completed its assessment of the impact of the new standard on the Company’s Consolidated Financial Statements. Currently, the Company believes that the most notable impact of this ASU will relate to its processes around the assessment of the adequacy of its allowance for doubtful accounts on trade accounts receivable and the recognition of credit losses. In August 2018, the FASB issued ASU No. 2018-14, Disclosure Framework—Changes to the Disclosure Requirements for Defined Benefit Plans, which amends ASC 715 to add, remove and clarify disclosure requirements related to defined benefit pension and other postretirement plans. The ASU is effective for public entities for fiscal years beginning after December 15, 2020, with early adoption permitted. Management has not yet completed its assessment of the impact of the new standard on the Company’s Consolidated Financial Statements. In April 2019, the FASB issued ASU No. 2019-04, Codification Improvements to Topic 815, Derivatives and Hedging, which updates certain guidance previously issued in ASU No. 2017-12, Derivatives and Hedging (Topic 815). The ASU is effective as of January 1, 2020, which is the beginning of the first annual period beginning after the issuance of the ASU for public entities that have adopted ASU No. 2017-12. Entities may elect either to retrospectively apply all amendments in the ASU or to prospectively apply all amendments as of the date of adoption of the ASU. Management has not yet completed its assessment of the impact of the new standard on the Company’s Consolidated Financial Statements. Recently Adopted Accounting Pronouncements In August 2017, the FASB issued ASU No. 2017-12, Derivatives and Hedging (Topic 815) which amends the hedge accounting recognition and presentation requirements in ASC 815, Derivatives and Hedging. The Board’s objectives in issuing the ASU are to (1) improve the transparency and understandability of information conveyed to financial statement users about an entity’s risk management activities by better aligning the entity’s financial reporting for hedging relationships with those risk management activities and (2) reduce the complexity of and simplify the application of hedge accounting by preparers. The ASU is effective for annual reporting periods, including interim periods within those annual reporting periods, beginning after December 15, 2018. The Company adopted this guidance as of January 1, 2019, and it did not have a material impact on its consolidated financial position, results of operations and cash flows. In February 2016, the FASB issued ASU No. 2016-02, Leases, which is intended to improve financial reporting about leasing transactions. The update requires a lessee to record on its balance sheet the assets and liabilities for the rights and obligations created by lease terms of more than 12 months. The update is effective for fiscal years beginning after December 15, 2018. A modified retrospective transition approach is required for leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements, with certain practical expedients available. The Company elected to utilize a practical expedient in its method of adoption of the standard and adopted the guidance as of January 1, 2019. Under this expedient, which is a “current-period adjustment method,” the Company applied ASC 842 as of January 2019 and recognized operating lease liabilities of $11.7 million and right of use assets of $9.4 million for all leases with lease terms of more than 12 months. There was no impact to retained earnings as of that date. In addition, the Company adopted the guidance by electing the following practical expedients: (1) the Company did not reassess whether any expired or existing contracts contained leases, (2) the Company did not reassess the lease classification for any expired or existing leases, and (3) the Company excluded variable payments from the lease contract consideration and recorded those as incurred. The Company’s future commitments under lease obligations and additional disclosures are summarized in Note 12.

Accumulated Other Comprehensive Income Loss

9 Months Ended

Sep. 30, 2019

Accumulated Other Comprehensive Income [Abstract]

Accumulated Other Comprehensive Income Disclosure [Text Block]

3. Accumulated Other Comprehensive Loss

Amounts included in accumulated other comprehensive loss, net of tax consisted of the following:

		September 30,		December 31,
		2019		2018
		(in thousands)
Foreign currency translation adjustments	$	(14,316)	$	(12,630)
Derivatives qualifying as hedges		(669)		(170)
Defined benefit pension plans		(732)		(732)
Total	$	(15,717)	$	(13,532)

Acquisitions

9 Months Ended

Sep. 30, 2019

Acquisition Disclosure [Abstract]

Acquisitions Disclosure [Text Block]

4. Acquisition

On January 31, 2018, the Company acquired all of the issued and outstanding shares of Data Sciences International, Inc. (DSI), a Delaware corporation, for approximately $71.1 million. The Company funded the acquisition from its existing cash balances, excess proceeds from the Denville Transaction discussed in Note 5, and proceeds from the Financing Agreement discussed in Note 14.

DSI, a St. Paul, Minnesota-based life science research company, is a recognized leader in physiologic monitoring focused on delivering preclinical products, systems, services and solutions to its customers. Its customers include pharmaceutical and biotechnology companies, as well as contract research organizations, academic labs and government researchers. This acquisition diversifies the Company’s customer base into the biopharmaceutical and contract research organization markets.

The results of operations for DSI have been included in the Company’s consolidated financial statements from the date of acquisition. Included in the net loss for the nine months ended September 30, 2018 was a $3.8 million charge recognized in cost of revenues related to purchase accounting inventory fair value step up amortization. The total inventory fair value step up was recognized into cost of revenues over one inventory turn, or approximately five and a half months. Also included in the net loss of DSI for that period was $2.9 million of intangible asset amortization expense.

The following consolidated pro forma information is based on the assumption that was used at the time of the acquisition of DSI. Accordingly, the historical results have been adjusted to reflect amortization expense, interest expense and other purchase accounting adjustments that would have been recognized on such a pro forma basis. The pro forma information is presented for comparative purposes only and is not necessarily indicative of the financial position or results of operations which would have been reported had the Company completed the acquisition during these periods or which might be reported in the future.


	Nine Months Ended
	September 30,
	2018
	(in thousands)
Pro Forma
Revenues	$	90,384
Income (loss) from continuing operations		(236)

Direct acquisition costs recorded in other expense, net in the Company’s consolidated statements of operations were $3.0 million for the nine months ended September 30, 2018.

Discontinued Operations

9 Months Ended

Sep. 30, 2019

Discontinued Operations [Abstract]

Discontinued Operations Disclosure [Text Block]

5. Discontinued Operations

On January 22, 2018, the Company sold substantially all the assets of its wholly owned subsidiary, Denville, for approximately $20.0 million, which included a $3.0 million earn-out provision (the Denville Transaction). Upon the closing of the transaction, the Company received $15.7 million. The earn-out provision represented contingent consideration of up to $2.0 million based on Denville achieving certain performance metrics with respect to 2018 operating results and up to $1.0 million based on Denville achieving certain performance metrics with respect to 2019 operating results. During the nine-months ended September 30, 2019, it was determined that the 2018 performance metrics were not achieved.

The following table is a reconciliation of the major line items of income from discontinued operations presented within the Company’s consolidated statements of operations for the nine months ended September 30, 2018.

	Nine Months Ended
	September 30,
	2018
	(in thousands)
Revenues	$	893
Cost of revenues		(534)
Operating and other expenses		(673)
Gain on disposal of discontinued operations		1,251
Income from discontinued operations before income taxes		937
Income tax benefit		(883)
Income from discontinued operations	$	1,820

During the nine months ended September 30, 2019, the Company received a release of an escrow amount of $1.0 million related to the Denville Transaction, which is included in the investing cash flows for disposition in the Company’s consolidated statements of cash flows for the nine months ended September 30, 2019. Total operating cash flows for Denville in the Company’s consolidated statements of cash flows for the nine months ended September 30, 2018, were immaterial.

Amortizable Intangible Assets

9 Months Ended

Sep. 30, 2019

Amortizable Intangible Assets Disclosure [Abstract]

Amorizable Intangible Assets Disclosure [Text Block]

6. Amortizable Intangible Assets

Amortizable intangible assets consist of the following:

				September 30, 2019						December 31, 2018
				(in thousands)
Amortizable intangible assets:	Weighted Average Life*		Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
Distribution agreements/customer relationships	10.0	Years	$	22,014	$	(10,209)	$	11,805	$	22,657	$	(9,509)	$	13,148
Existing technology	6.4	Years		40,962		(18,534)		22,428		41,268		(16,215)		25,053
Trade names	7.0	Years		7,578		(3,231)		4,347		7,828		(2,861)		4,967
In-process R&D	-	Years		-		-		-		1,387		(30)		1,357
Patents	-	Years		204		(204)		-		211		(204)		7
Total amortizable intangible assets			$	70,758	$	(32,178)	$	38,580	$	73,351	$	(28,819)	$	44,532

* Weighted average life as of September 30, 2019.

Intangible asset amortization expense from continuing operations was $1.4 million and $1.5 million for each of the three months ended September 30, 2019 and 2018, and was $4.3 million and $4.0 million for the nine months ended September 30, 2019 and 2018, respectively. Amortization expense of existing amortizable intangible assets is currently estimated to be $5.6 million for the year ending December 31, 2019, $5.5 million for the year ending December 31, 2020, $5.5 million for the year ending December 31, 2021, $5.4 million for the year ending December 31, 2022, $5.3 million for the year ending December 31, 2023, and $5.2 million for the year ending December 31, 2024.

During the three months ended June 30, 2019, and as a result of the ongoing evaluation of its capitalized research and development activities, the Company recorded an impairment charge of $0.9 million related to certain of its in-process research and development intangible assets and reclassified $0.4 million as completed technology.

During the three months ended September 30, 2019, the Company recorded an impairment charge of $0.5 million related to customer relationships, existing technology, and trade names intangible assets as a result of the decision to discontinue one of the Company’s product lines and cease operations in its facility in North Carolina.

There were no impairment charges recognized during the three and nine months ended September 30, 2018.

Inventories

9 Months Ended

Sep. 30, 2019

Inventories Disclosure [Abstract]

Inventories Disclosure [Text Block]

7. Inventories

Inventories consist of the following:

		September 30,		December 31,
		2019		2018
			(in thousands)
Finished goods		$	5,835	$	6,936
Work in process			3,838		3,667
Raw materials			14,221		14,484
	Total	$	23,894	$	25,087

Property, Plant and Equipment

9 Months Ended

Sep. 30, 2019

Property, Plant and Equipment Disclosure [Abstract]

Property, Plant and Equipment Disclosure [Text Block]

8. Property, Plant and Equipment

Property, plant and equipment consist of the following:

	September 30,		December 31,
	2019		2018
		(in thousands)
Land, buildings and leasehold improvements	$	2,181	$	2,468
Machinery and equipment		7,560		9,678
Computer equipment and software		9,280		9,685
Furniture and fixtures		1,307		1,390
Automobiles		110		115
		20,438		23,336
Less: accumulated depreciation		(15,204)		(17,438)
Property, plant and equipment, net	$	5,234	$	5,898

During the nine months ended September 30, 2019, the Company removed approximately $3.5 million of fully depreciated and disposed of property and equipment from its fixed asset records.

Restructuring and Other Exit Costs

9 Months Ended

Sep. 30, 2019

Restructuring and other exit costs [Abstract]

Restructuring and other exit costs [Text Block]

9. Restructuring and Other Exit Costs

During the three months ended September 30, 2019, the Company recorded restructuring charges of $0.9 million as a result of the decision to discontinue one of the Company’s product lines and cease operations in its facility in North Carolina.

The following table summarizes the activity for accrued restructuring liability for the three months ended September 30, 2019:

(in thousands)	Cost of Revenues		Severance Costs		Impairment		Other		Total
Balance at June 30, 2019	$	-	$	-	$	-	$	-	$	-
Restructuring charges		235		209		460		10		914
Non-cash charges		(235)		-		(460)		(10)		(705)
Cash payments		-		(1)		-		-		(1)
Balance at September 30, 2019	$	-	$	208	$	-	$	-	$	208

Of the $0.9 million restructuring costs incurred during the three months ended September 30, 2019, $0.5 million has been recorded as impairment of intangible assets in the accompanying consolidated statements of operations and comprehensive income (loss) and the remaining costs of $0.4 million have been included as a component of selling, general and administrative expenses. As of September 30, 2019, the Company had a restructuring liability of $0.2 million which is payable within the next twelve months.

Related Party Transactions	9 Months Ended
Related Party Transactions	Sep. 30, 2019
Related Party Transactions [Abstract]
Related Party Transactions Disclosure [Text Block]	10. Related Party Transactions As part of the acquisitions of Multi Channel Systems MCS GmbH (MCS) and Triangle BioSystems, Inc. (TBSI) in 2014, the Company signed lease agreements with the former owners of these acquired companies. The principals of such former owners of MCS and TBSI were employees of the Company as of September 30, 2019 and 2018. Pursuant to these lease agreements, the Company made rent payments of approximately $0.1 million for the three months ended September 30, 2019 and 2018, and approximately $0.3 million for the nine months ended September 30, 2019 and 2018, respectively.

Employee Benefit Plans

9 Months Ended

Sep. 30, 2019

Employee Benefit Plans Disclosure [Abstract]

Employee Benefit Plans Disclosure [Text Block]

11. Employee Benefit Plans

The Company’s subsidiary in the United Kingdom, Biochrom Limited, maintains contributory, defined benefit pension plans for substantially all of its employees. These defined benefit pension plans have been closed to new employees since 2014, as well as closed to the future accrual of benefits for existing employees. The components of the Company’s defined benefit pension expense were as follows:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
		(in thousands)
Components of net periodic benefit cost:
Interest cost	$	121	$	121	$	376	$	371
Expected return on plan assets		(167)		(187)		(519)		(575)
Net amortization loss		69		53		216		163
Curtailment gain		-		(41)		-		(41)
Net periodic benefit cost (income)	$	23	$	(54)	$	73	$	(82)

For the nine months ended September 30, 2019 and 2018, the Company contributed $0.6 million and $0.5 million, respectively to its defined benefit pension plans. The Company expects to contribute approximately $0.1 million to its defined benefit pension plans during the remainder of 2019. The Company had an underfunded pension liability of approximately $0.9 million as of December 31, 2018 included in the other long term liabilities line item in the consolidated balance sheets.

Leases

9 Months Ended

Sep. 30, 2019

Leases [Abstract]

Leases [Text Block]

12. Leases

The Company has noncancelable operating leases for office, manufacturing facilities, warehouse space, automobiles and equipment expiring at various dates through 2024 and thereafter. As discussed in Footnote 1, the Company adopted ASC 842 as of January 1, 2019, using a current period adjustment method. In accordance with this method, the Company recognized a right of use asset of $9.4 million and an operating lease liability of $11.7 million as of January 1, 2019. As a result of using the current period adjustment method, the lease expense for nine months ended September 30, 2019 and 2018 was recognized under ASC 842, and ASC 840, the previous standard, respectively.

The components of lease expense for the three and nine months ended September 30, 2019 are as follows:

	Three Months Ended			Nine Months Ended
	September 30, 2019			September 30, 2019
	(in thousands)			(in thousands)
Operating lease cost	$	523		$	1,561
Short term lease cost		29			156
Sublease income		(104)			(309)
Total lease cost	$	448		$	1,408

Supplemental cash flow information related to the Company's operating leases was as follows:

	Nine Months Ended
	September 30, 2019
	(in thousands)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	1,815

Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$	-

Supplemental balance sheet information related to the Company's operating leases was as follows:

	September 30, 2019
	(in thousands)
Operating lease right-of use assets	$	8,497

Current portion, operating lease liabilities	$	2,424
Operating lease liabilities, long term		8,342
Total operating lease liabilities	$	10,766

Weighted average remaining lease term		8.4	years
Weighted average discount rate		9.2%

Future minimum lease payments for operating leases, with initial or remaining terms in excess of one year at September 30, 2019, are as follows:

	Operating
	Leases
	(in thousands)
2020	$	2,424
2021		1,987
2022		1,829
2023		1,783
2024		1,740
Thereafter		6,125
Total lease payments		15,888
Less interest		(5,122)
Total operating lease liabilities	$	10,766

Capital Stock

9 Months Ended

Sep. 30, 2019

Capital Stock Disclosure [Abstract]

Capital Stock Disclosure [Text Block]

13. Capital Stock

Stock-Based Payment Awards

The Company accounts for stock-based payment awards in accordance with the provisions of FASB ASC 718, which requires it to recognize compensation expense for all stock-based payment awards made to employees and directors including stock options, restricted stock units, Market Condition RSUs and employee stock purchases related to the ESPP. The Company has elected as an accounting policy to account for forfeitures for service based awards as they occur, with no adjustment for estimated forfeitures.

Stock option and restricted stock unit activity for the nine months ended September 30, 2019 was as follows:

		Stock Options			Restricted Stock Units			Market Condition RSU's
			Weighted			Weighted			Weighted
		Stock	Average		Restricted	Average		Market	Average
		Options	Exercise		Stock Units	Grant Date		Condition RSU's	Grant Date
		Outstanding	Price		Outstanding	Fair Value		Outstanding	Fair Value

Balance at December 31, 2018		1,956,732	$	4.25	1,233,762	$	3.36	116,944	$	4.19
	Granted	804,039		3.35	1,472,884		2.25	541,627		2.14
	Exercised	(2,500)		3.25	-		-	-		-
	Vested (RSUs)	-		-	(788,512)		3.30	(3,778)		3.30
	Cancelled / forfeited	(616,436)		3.96	(471,006)		3.41	(188,680)		3.63
Balance at September 30, 2019		2,141,835	$	4.15	1,447,128	$	3.19	466,113	$	4.16

Stock-based compensation expense related to stock options, restricted stock units, Market Condition RSUs and the ESPP for the three and nine months ended September 30, 2019 and 2018 was allocated as follows:

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2019		2018		2019		2018
		(in thousands)

Cost of revenues	$	13	$	19	$	34	$	45
Sales and marketing		39		105		68		331
General and administrative		895		308		1,975		1,581
Research and development		40		54		116		125
Discontinued operations		-		-		-		150
Total stock-based compensation	$	987	$	486	$	2,193	$	2,232

The Company did not capitalize any stock-based compensation.

Earnings per share

Basic earnings per share is computed by dividing net income by the number of weighted average common shares outstanding during the period. The calculation of diluted earnings per share assumes conversion of stock options, restricted stock units and Market Condition RSUs into common stock using the treasury method. The weighted average number of shares used to compute basic and diluted earnings per share consists of the following:

	Three Months Ended		Nine Months Ended
	September 30,		September 30,
	2019	2018	2019	2018

Basic	38,036,261	36,947,052	37,764,489	36,169,536
Effect of assumed conversion of employee and director stock options, restricted stock units and Market Condition RSUs	-	-	-	-
Diluted	38,036,261	36,947,052	37,764,489	36,169,536

Excluded from the shares used in calculating the diluted earnings per common share in the above table are options, restricted stock units and Market Condition RSUs of approximately 4,055,076 and 3,286,853 shares of common stock for the nine months ended September 30, 2019 and 2018, respectively, as the impact of these shares would be anti-dilutive.

Long Term Debt

9 Months Ended

Sep. 30, 2019

Long Term Debt Disclosure [Abstract]

Long Term Debt Disclosure [Text Block]

14. Long Term Debt

On January 22, 2018, in connection with the closing of the Denville Transaction, the Company terminated the Third Amended and Restated Credit Agreement (the Credit Agreement), among the Company, Brown Brothers Harriman & Co. and each of the other lenders party thereto, and Bank of America, as administrative agent. All outstanding amounts under the agreement were repaid in full using a portion of the proceeds of the Denville Transaction. At the time of repayment, there was approximately $11.9 million outstanding.

On January 31, 2018, the Company entered into a financing agreement by and among the Company and certain subsidiaries of the Company parties thereto, as borrowers (collectively, the Borrower), certain subsidiaries of the Company parties thereto, as guarantors, various lenders from time to time party thereto (the Lenders), and Cerberus Business Finance, LLC, as collateral agent and administrative agent for the Lenders (the Financing Agreement).

On August 16, 2018, the Company and Cerberus Business Finance, LLC entered into a First Amendment to the Financing Agreement, which such amendment modified certain provisions related to the borrowing base and reporting, among other things.

On November 4, 2019, the Company and Cerberus Business Finance, LLC entered into a Second Amendment to the Financing Agreement, which modified certain provisions effective as of September 30, 2019 related to the Company’s quarterly leverage ratio financial covenant amongst other provisions. See Note 20 – Subsequent Event.

The Financing Agreement provided for senior secured credit facilities (the Senior Secured Credit Facilities) comprised of a $64.0 million term loan and up to a $25.0 million revolving line of credit. The proceeds of the term loan and $4.8 million of advances under the revolving line of credit were used to fund a portion of the DSI acquisition, and to pay fees and expenses related thereto and the closing of the Senior Secured Credit Facilities. In addition, the revolving facility is available for use by the Company and its subsidiaries for general corporate and working capital needs, and other purposes to the extent permitted by the Financing Agreement. The Senior Secured Credit Facilities have a maturity of five years.

Commencing on March 31, 2018, the outstanding term loans began to amortize in equal quarterly installments equal to $0.4 million per quarter on such date and during each of the next three quarters thereafter, $0.6 million per quarter during the next four quarters thereafter and $0.8 million per quarter thereafter, with a balloon payment at maturity. Furthermore, within ten days of the Company’s delivery of its audited annual financial statements each year, the term loans are permanently reduced pursuant to certain mandatory prepayment events including an annual “excess cash flow sweep” of 50% of the consolidated excess cash flow; provided that, in any fiscal year, any voluntary prepayments of the term loans shall be credited against the Company’s “excess cash flow” prepayment obligations on a dollar-for-dollar basis for such fiscal year. During the nine months ended September 30, 2019, the Company made an excess cash flow payment of $4.0 million and $1.0 million in connection with the release of an escrow amount associated with the Denville Transaction discussed in Note 5 as required by the Financing Agreement.

The obligations of the Borrower under the Senior Secured Credit Facilities are unconditionally guaranteed by the Company and certain of the Company’s existing and subsequently acquired or organized subsidiaries. The Senior Secured Credit Facilities and related guarantees are secured on a first-priority basis (subject to certain liens permitted under the Financing Agreement) by a lien on substantially all the tangible and intangible assets of the Borrower and the subsidiary guarantors, including all of the capital stock held by such obligors (subject to a 65% limitation on pledges of capital stock of foreign subsidiaries), subject to certain exceptions.

Interest on all loans under the Senior Secured Credit Facilities is paid monthly. Borrowings under the Financing Agreement accrue interest at a per annum rate equal to, at the Borrower’s option, a base rate plus 4.75% or a London Interbank Offered Rate (LIBOR) rate plus 6.25%. The loans are also subject to a 1.25% interest rate floor for LIBOR loans and a 4.25% interest rate floor for base rate loans.

The Financing Agreement contains customary representations and warranties and affirmative covenants applicable to the Company and its subsidiaries and also contains certain restrictive covenants, including, among others, limitations on the incurrence of additional debt, liens on property, acquisitions and investments, loans and guarantees, mergers, consolidations, liquidations and dissolutions, asset sales, dividends and other payments in respect of the Company’s capital stock, prepayments of certain debt, transactions with affiliates and modifications of organizational documents, material contracts, affiliated practice agreements and certain debt agreements. The Financing Agreement contains customary events of default and is subject to covenant and working capital borrowing restrictions. The Company had available borrowing capacity under the revolving line of credit of $9.4 million as of September 30, 2019.

As of September 30, 2019, the weighted effective interest rate, net of the impact of the Company’s interest rate swap, on its borrowings was 8.69%. The carrying value of the debt approximates fair value because the interest rate under the obligation approximates market rates of interest available to the Company for similar instruments.

As of September 30, 2019 and December 31, 2018, the Company’s borrowings were comprised of:

	September 30,		December 31,
	2019		2018
		(in thousands)
Long-term debt:
Term loan	$	55,597	$	62,400
Total unamortized deferred financing costs		(1,278)		(1,605)
Total debt		54,319		60,795
Less: current installments		(3,000)		(6,383)
Current unamortized deferred financing costs		393		401
Long-term debt	$	51,712	$	54,813

Derivatives

9 Months Ended

Sep. 30, 2019

Derivatives [Abstract]

Derivatives Disclosure [Text Block]

15. Derivatives

The Company uses interest-rate-related derivative instruments to manage its exposure related to changes in interest rates on its variable-rate debt instruments. The Company does not enter into derivative instruments for any purpose other than cash flow hedging. The Company does not speculate using derivative instruments.

By using derivative financial instruments to hedge exposures to changes in interest rates, the Company exposes itself to credit risk and market risk. Credit risk is the failure of the counterparty to perform under the terms of the derivative contract. When the fair value of a derivative contract is positive, the counterparty owes the Company, which creates credit risk for the Company. When the fair value of a derivative contract is negative, the Company owes the counterparty and, therefore, the Company is not exposed to the counterparty’s credit risk in those circumstances. The Company minimizes counterparty credit risk in derivative instruments by entering into transactions with carefully selected major financial institutions based upon their credit profile.

Market risk is the adverse effect on the value of a derivative instrument that results from a change in interest rates. The market risk associated with interest-rate contracts is managed by establishing and monitoring parameters that limit the types and degree of market risk that may be undertaken.

The Company assesses interest rate risk by continually identifying and monitoring changes in interest rate exposures that may adversely impact expected future cash flows and by evaluating hedging opportunities. The Company maintains risk management control systems to monitor interest rate risk attributable to both the Company’s outstanding or forecasted debt obligations as well as the Company’s offsetting hedge positions. The risk management control systems involve the use of analytical techniques, including cash flow sensitivity analysis, to estimate the expected impact of changes in interest rates on the Company’s future cash flows.

The Company uses variable-rate LIBOR debt to finance its operations. The debt obligations expose the Company to variability in interest payments due to changes in interest rates. Management believes that it is prudent to limit the variability of a portion of its interest payments. To meet this objective, management enters into LIBOR based interest rate swap agreements to manage fluctuations in cash flows resulting from changes in the benchmark interest rate of LIBOR. These swaps change the variable-rate cash flow exposure on the debt obligations to fixed cash flows. Under the terms of the interest rate swaps, the Company receives LIBOR based variable interest rate payments and makes fixed interest rate payments, thereby creating the equivalent of fixed-rate debt for the notional amount of its debt hedged.

As disclosed in Note 14, on January 31, 2018, the Company entered into a Financing Agreement comprised of a $64.0 million term loan and up to a $25.0 million revolving line of credit. Shortly after entering into the Financing Agreement, the Company entered into an interest rate swap contract with PNC Bank with a notional amount of $36.0 million and a termination date of January 1, 2023 in order to hedge the risk of changes in the effective benchmark interest rate (LIBOR) associated with the Company’s Term Loan. The swap contract converted specific variable-rate debt into fixed-rate debt and fixed the LIBOR rate associated with a portion of the term loan under the Financing Agreement at 2.72%. The interest rate swap was designated as a cash flow hedge instrument in accordance with ASC 815 “Derivatives and Hedging”.

The following table presents the notional amount and fair value of the Company’s derivative instruments as of September 30, 2019 and December 31, 2018

			September 30, 2019
			Notional Amount		Fair Value (a)
Derivatives designated as hedging instruments under ASC 815		Balance sheet classification		(in thousands)
Interest rate swaps		Other assets (long term liabilities)	$	30,206	$	(669)


			December 31, 2018
			Notional Amount		Fair Value (a)
Derivatives designated as hedging instruments under ASC 815		Balance sheet classification		(in thousands)
Interest rate swaps		Other assets (long term liabilities)	$	34,090	$	(170)

	(a) See Note 16 for the fair value measurements related to these financial instruments.

All of the Company’s derivative instruments are designated as hedging instruments. The Company has structured its interest rate swap agreements to be 100% effective and as a result, there was no impact to earnings resulting from hedge ineffectiveness. Changes in the fair value of interest rate swaps designated as hedging instruments that effectively offset the variability of cash flows associated with variable-rate, long-term debt obligations are reported in accumulated other comprehensive income (AOCI). These amounts subsequently are reclassified into interest expense as a yield adjustment of the hedged interest payments in the same period in which the related interest affects earnings. The Company’s interest rate swap agreement was deemed to be fully effective in accordance with ASC 815, and, as such, unrealized gains and losses related to these derivatives were recorded as AOCI.

The following table summarizes the effect of derivatives designated as cash flow hedging instruments and their classification within comprehensive loss for the three and nine months ended September 30, 2019 and 2018:

Derivatives in Hedging Relationships	Amount of gain (loss) recognized in OCI on derivative (effective portion)
	Three months ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
	(in thousands)
Interest rate swaps	$	(78)	$	126	$	(572)	$	27

The following table summarizes the reclassifications out of accumulated other comprehensive loss for the three and nine months ended September 30, 2019 and 2018:

Details about AOCI Components			Amount reclassified from AOCI into income (effective portion)
	Three Months Ended					Nine Months Ended				Location of amount reclassified from AOCI
	September 30,					September 30,				Location of amount reclassified from AOCI
	2019			2018		2019		2018		into income (effective portion)
	(in thousands)
Interest rate swaps	$	37		$	55	$	73	$	99	Interest expense

As of September 30, 2019, $0.3 million of deferred losses on derivative instruments accumulated in AOCI are expected to be reclassified to earnings during the next twelve months. Transactions and events expected to occur over the next twelve months that will necessitate reclassifying these derivatives’ losses to earnings include the repricing of variable-rate debt.

Fair Value Measurements

9 Months Ended

Sep. 30, 2019

Fair Value Disclosures [Abstract]

Fair Value Disclosures [Text Block]

16. Fair Value Measurements

Fair value measurement is defined as the price that would be received to sell an asset or paid to transfer a liability in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants at the measurement date. A fair value hierarchy is established, which prioritizes the inputs used in measuring fair value into three broad levels as follows:

Level 1—Quoted prices in active markets for identical assets or liabilities.

Level 2—Inputs, other than the quoted prices in active markets, that are observable either directly or indirectly.

Level 3—Unobservable inputs based on the Company’s own assumptions.

The following tables present the fair value hierarchy for those assets or liabilities measured at fair value on a recurring basis:

	Fair Value as of September 30, 2019
(In thousands)		Level 1		Level 2		Level 3		Total
Assets (Liabilities):
Interest rate swap agreements	$	-	$	(669)	$	-	$	(669)


	Fair Value as of December 31, 2018
(In thousands)		Level 1		Level 2		Level 3		Total
Assets (Liabilities):
Interest rate swap agreements	$	-	$	(170)	$	-	$	(170)

The Company uses the market approach technique to value its financial liabilities. The Company’s financial assets and liabilities carried at fair value include derivative instruments used to hedge the Company’s interest rate risks. The fair value of the Company’s interest rate swap agreements was based on LIBOR yield curves at the reporting date.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Revenues

9 Months Ended

Sep. 30, 2019

Revenues Disclosure [Abstract]

Revenues

17. Revenues

The following table represents a disaggregation of revenue from contracts with customers. Revenue from continuing operations originating from the following geographic areas for the nine months ended September 30, 2019 and 2018 consist of:

	Three Months Ended September 30, 2019
		(in thousands)
	United States		United Kingdom		Germany		Rest of the world		Total
Instruments, equipment, software and accessories	$	19,388	$	2,285	$	2,772	$	1,878	$	26,323
Service, maintenance and warranty contracts		822		198		51		24		1,095
Total revenues	$	20,210	$	2,483	$	2,823	$	1,902	$	27,418


	Three Months Ended September 30, 2018
		(in thousands)
	United States		United Kingdom		Germany		Rest of the world		Total
Instruments, equipment, software and accessories	$	19,458	$	3,098	$	2,479	$	2,124	$	27,159
Service, maintenance and warranty contracts		1,077		297		79		23		1,476
Total revenues	$	20,535	$	3,395	$	2,558	$	2,147	$	28,635


	Nine Months Ended September 30, 2019
		(in thousands)
	United States		United Kingdom		Germany		Rest of the world		Total
Instruments, equipment and accessories	$	58,979	$	7,814	$	8,956	$	5,675	$	81,424
Service, maintenance and warranty contracts		2,874		624		227		55		3,780
Total revenues	$	61,853	$	8,438	$	9,183	$	5,730	$	85,204


	Nine Months Ended September 30, 2018
		(in thousands)
	United States		United Kingdom		Germany		Rest of the world		Total
Instruments, equipment and accessories	$	56,153	$	10,685	$	9,485	$	6,524	$	82,847
Service, maintenance and warranty contracts		3,107		631		277		54		4,069
Total revenues	$	59,260	$	11,316	$	9,762	$	6,578	$	86,916

Deferred revenue

As of September 30, 2019 and December 31, 2018, the Company had approximately $3.6 million and $3.8 million, respectively, in deferred revenue comprised of revenue deferred from service contracts and revenue deferred from advance payments.

Changes in deferred revenue from service contracts and advance payments from customers during the nine months ended September 30, 2019 and 2018 were as follows:

(in thousands)	Service Contracts		Customer Advances		Total
Three Months Ended September 30, 2019 and 2018
Balance at June 30, 2019	$	1,593	$	1,939	$	3,532
Deferral of revenue		471		310		781
Recognition of deferred revenue		(358)		(421)		(779)
Effect of foreign currency translation		16		-		16
Balance at September 30, 2019	$	1,722	$	1,828	$	3,550

Balance at June 30, 2018	$	1,694	$	1,853	$	3,547
Deferral of revenue		801		190		991
Recognition of deferred revenue		(1,006)		(274)		(1,280)
Effect of foreign currency translation		9		-		9
Balance at September 30, 2018	$	1,498	$	1,769	$	3,267

Nine Months Ended September 30, 2019 and 2018
Balance at December 31, 2018	$	1,659	$	2,161	$	3,820
Deferral of revenue		1,597		561		2,158
Recognition of deferred revenue		(1,550)		(894)		(2,444)
Effect of foreign currency translation		16		-		16
Balance at September 30, 2019	$	1,722	$	1,828	$	3,550

Balance at December 31, 2017	$	505	$	-	$	505
Addition due to business combination		848		2,128		2,976
Deferral of revenue		3,084		434		3,518
Recognition of deferred revenue		(2,933)		(793)		(3,726)
Effect of foreign currency translation		(6)		-		(6)
Balance at September 30, 2018	$	1,498	$	1,769	$	3,267

Allowance for doubtful accounts

Activity in the allowance for doubtful accounts was as follows:

	Nine Months Ended September 30,
		2019		2018
		(in thousands)

Balance, beginning of period	$	332	$	193
Addition due to business combination		-		102
Bad debt expense		394		3
Charge-offs and other recoveries		(354)		(23)
Effect of foreign currency translation		(8)		26
Balance, end of period	$	364	$	301

Warranties

9 Months Ended

Sep. 30, 2019

Warranties Disclosure [Abstract]

Warranties Disclosure [Text Block]

18. Warranties

Warranties are estimated and accrued at the time revenues are recorded. A rollforward of the Company’s product warranty accrual is as follows:

		Beginning	(Payments)\	Provision		Ending
		Balance	Credits	Increase/(Decrease)		Balance
		(in thousands)

Year ended December 31, 2018	$	246	(37)	182	$	391

Nine months ended September 30, 2019	$	391	(4)	(107)	$	280

Income Taxes	9 Months Ended
Income Taxes	Sep. 30, 2019
Income Tax [Abstract]
Income Taxes Disclosure [Text Block]	19. Income Tax Income tax benefit from continuing operations was approximately $0.1 million and $0.7 million for the three months ended September 30, 2019 and 2018, respectively. The effective tax rate on continuing operations was 2.0% for the three months ended September 30, 2019 compared with 71.8% for the same period in 2018. Income tax from continuing operations was a benefit of approximately $0.4 million and $0.4 million for the nine months ended September 30, 2019 and 2018, respectively. The effective tax rate on continuing operations was 6.5% for the nine months ended September 30, 2019, compared with 5.2% for the same period in 2018. The difference between the Company’s effective tax rates in 2019 and 2018 compared to the U.S. statutory tax rate of 21% is primarily due to the mix of year-to-date and forecasted income or losses in the U.S. and foreign tax jurisdictions, the impact of different tax rates in certain foreign jurisdictions, the impact of the inclusion of foreign income in U.S. taxable income under the GILTI (Global Intangible Low-Taxed Income) tax rules, limitations on interest expense deductions, the adjustment of estimates for the tax impact of certain acquisitions and dispositions, the tax impact of stock compensation deductions, and, in 2018, certain non-deductible acquisition costs. For the three months ended September 30, 2019 and 2018 and the nine months ended September 30, 2019, no income tax expense or benefit was recorded for discontinued operations. For the nine months ended September 30, 2018, income tax benefit recorded for discontinued operations was $0.9 million.

Subsequent Event	9 Months Ended
Subsequent Event	Sep. 30, 2019
Subsequent Event [Abstract]
Subsequent Events [Text Block]	20. Subsequent Event On November 4, 2019, the Company entered into a Second Amendment of its Financing Agreement with Cerberus Business Finance, LLC, as collateral agent for the Lenders, and PNC Bank, National Association, as administrative agent for the Lenders. The amendment increases the maximum leverage ratio covenant and amount of restructuring and related costs to be excluded from consolidated EBITDA and decreases the minimum fixed charge ratio covenant. Additionally, the applicable interest rate margin was modified to adjust based on the Company’s leverage ratio. The Company also agreed to extend the prepayment penalty periods and paid a $50,000 amendment fee. The amendment is effective for covenant calculations commencing with the period ended September 30, 2019, other than the change in minimum fixed charge ratio which is effective beginning the three months ended December 31, 2019. Prior to this amendment, the Company exceeded the maximum leverage ratio covenant due primarily to costs associated with the resignation of its previous CEO in July 2019 and certain restructuring activity during the quarter ended September 30, 2019. The Company is compliant with all covenants under the Financing Agreement as of September 30, 2019 with the completion of this amendment.

Basis of Presentation and Summary of Significant Accounting Policies (Policies)	9 Months Ended
	Sep. 30, 2019
Summary of Significant Accounting Policies [Abstract]
Basis of Presentation Policies [Text Block]	Basis of Presentation The unaudited consolidated financial statements of Harvard Bioscience, Inc. and its wholly-owned subsidiaries (collectively, Harvard Bioscience or the Company) as of September 30, 2019 and for the three and nine months ended September 30, 2019 and 2018 have been prepared by the Company pursuant to the rules and regulations of the Securities and Exchange Commission (SEC). Certain information and footnote disclosures normally included in financial statements prepared in accordance with U.S. generally accepted accounting principles (U.S. GAAP) have been condensed or omitted pursuant to such rules and regulations. The December 31, 2018 consolidated balance sheet was derived from audited financial statements, but does not include all disclosures required by U.S. GAAP. However, the Company believes that the disclosures are adequate to make the information presented not misleading. These unaudited consolidated financial statements should be read in conjunction with the consolidated financial statements and the notes thereto included in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2018, which was filed with the SEC on March 18, 2019. In the opinion of management, all adjustments, which include normal recurring adjustments necessary to present a fair statement of financial position as of September 30, 2019, results of operations and comprehensive income (loss) for the three and nine months ended September 30, 2019 and 2018 and cash flows for the nine months ended September 30, 2019 and 2018, as applicable, have been made. The results of operations for the three months ended September 30, 2019 are not necessarily indicative of the operating results for the full fiscal year or any future periods.
Reclassifications [Policy Text Block]	Reclassifications As disclosed in Note 5, on January 22, 2018, the Company sold substantially all the assets of its operating subsidiary, Denville Scientific, Inc. (Denville). The sale of Denville represented a strategic shift that had a major effect on the Company’s operations and financial results. As such and pursuant to Accounting Standards Codification (ASC) 205-20 – Presentation of Financial Statements - Discontinued Operations, the operating results of Denville for the three and nine months ended September 30, 2018 have been presented in discontinued operations in the consolidated statements of operations. These reclassifications and adjustments had no effect on total amounts within the consolidated balance sheets, consolidated statements of operations and comprehensive income (loss), consolidated statements of cash flows for any of the periods presented.
Leases [Policy Text Block]	Leases The Company accounts for its leases in accordance with ASC 842 Leases. The Company leases office space, manufacturing facilities, automobiles and equipment. The Company concludes on whether an arrangement is a lease at inception. This determination as to whether an arrangement contains a lease is based on an assessment as to whether a contract conveys the right to the Company to control the use of identified property, plant or equipment for period of time in exchange for consideration. Leases with an initial term of 12 months or less are not recorded on the balance sheet. The Company recognizes these lease expenses on a straight line basis over the lease term. As of September 30, 2019, the Company has assessed its contracts and concluded that its leases consist of operating leases. Operating leases are included in operating lease right-of-use (ROU) assets, current portion of operating lease liabilities, and operating lease liabilities in the Company’s consolidated balance sheets. ROU assets represent the Company’s right to use an underlying asset for the lease term and lease liabilities represent the Company’s obligation to make lease payments arising from the lease. Operating lease ROU assets and liabilities are recognized at commencement date based on the present value of lease payments over the lease term. As most of the Company’s leases do not provide an implicit rate, the Company determines an incremental borrowing rate based on the information available at commencement date in determining the present value of lease payments. The incremental borrowing rate represents a significant judgment that is based on an analysis of the Company’s credit rating, country risk, treasury and corporate bond yields, as well as comparison to the Company’s borrowing rate on its most recent loan. The Company uses the implicit rate when readily determinable. The operating lease ROU asset also includes any lease payments made and excludes lease incentives. Lease expense for lease payments is recognized on a straight-line basis over the lease term. The Company has lease agreements with lease and non-lease components, which are generally accounted for separately. Additionally, for its leases, the Company applies a portfolio approach to effectively account for the operating lease ROU assets and liabilities.

Accumulated Other Comprehensive Income (Tables)

9 Months Ended

Sep. 30, 2019

Accumulated Other Comprehensive Income [Abstract]

Accumulated Other Comprehensive Income [Table Text Block]

		September 30,		December 31,
		2019		2018
		(in thousands)
Foreign currency translation adjustments	$	(14,316)	$	(12,630)
Derivatives qualifying as hedges		(669)		(170)
Defined benefit pension plans		(732)		(732)
Total	$	(15,717)	$	(13,532)

Acquisitions (Tables)

9 Months Ended

Sep. 30, 2019

Acquisition Disclosure [Abstract]

Business Acquisition, Pro Forma Information [Table Text Block]


	Nine Months Ended
	September 30,
	2018
	(in thousands)
Pro Forma
Revenues	$	90,384
Income (loss) from continuing operations		(236)

Discontinued Operations (Tables)

9 Months Ended

Sep. 30, 2019

Discontinued Operations [Abstract]

Disposal Groups, Including Discontinued Operations,Income Loss [Table Text Blcok]

	Nine Months Ended
	September 30,
	2018
	(in thousands)
Revenues	$	893
Cost of revenues		(534)
Operating and other expenses		(673)
Gain on disposal of discontinued operations		1,251
Income from discontinued operations before income taxes		937
Income tax benefit		(883)
Income from discontinued operations	$	1,820

Amortizable Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2019

Amortizable Intangible Assets Disclosure [Abstract]

Amortizable Intangible Assets and Goodwill [Table Text Block]

				September 30, 2019						December 31, 2018
				(in thousands)
Amortizable intangible assets:	Weighted Average Life*		Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
Distribution agreements/customer relationships	10.0	Years	$	22,014	$	(10,209)	$	11,805	$	22,657	$	(9,509)	$	13,148
Existing technology	6.4	Years		40,962		(18,534)		22,428		41,268		(16,215)		25,053
Trade names	7.0	Years		7,578		(3,231)		4,347		7,828		(2,861)		4,967
In-process R&D	-	Years		-		-		-		1,387		(30)		1,357
Patents	-	Years		204		(204)		-		211		(204)		7
Total amortizable intangible assets			$	70,758	$	(32,178)	$	38,580	$	73,351	$	(28,819)	$	44,532

* Weighted average life as of September 30, 2019.

Inventories (Tables)

9 Months Ended

Sep. 30, 2019

Inventories Disclosure [Abstract]

Schedule of Inventory [Table Text Block]

		September 30,		December 31,
		2019		2018
			(in thousands)
Finished goods		$	5,835	$	6,936
Work in process			3,838		3,667
Raw materials			14,221		14,484
	Total	$	23,894	$	25,087

Property, Plant and Equipment (Tables)

9 Months Ended

Sep. 30, 2019

Property, Plant and Equipment Disclosure [Abstract]

Schedule Of Property Plant And Equipment [Table Text Block]

	September 30,		December 31,
	2019		2018
		(in thousands)
Land, buildings and leasehold improvements	$	2,181	$	2,468
Machinery and equipment		7,560		9,678
Computer equipment and software		9,280		9,685
Furniture and fixtures		1,307		1,390
Automobiles		110		115
		20,438		23,336
Less: accumulated depreciation		(15,204)		(17,438)
Property, plant and equipment, net	$	5,234	$	5,898

Restructuring and Other Exit Costs (Tables)

9 Months Ended

Sep. 30, 2019

Restructuring and other exit costs [Abstract]

Restructuring and other exit costs [Table Text Block]

(in thousands)	Cost of Revenues		Severance Costs		Impairment		Other		Total
Balance at June 30, 2019	$	-	$	-	$	-	$	-	$	-
Restructuring charges		235		209		460		10		914
Non-cash charges		(235)		-		(460)		(10)		(705)
Cash payments		-		(1)		-		-		(1)
Balance at September 30, 2019	$	-	$	208	$	-	$	-	$	208

Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2019

Employee Benefit Plans Disclosure [Abstract]

Schedule of Changes in Projected Benefit Obligations [Table Text Block]

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
		(in thousands)
Components of net periodic benefit cost:
Interest cost	$	121	$	121	$	376	$	371
Expected return on plan assets		(167)		(187)		(519)		(575)
Net amortization loss		69		53		216		163
Curtailment gain		-		(41)		-		(41)
Net periodic benefit cost (income)	$	23	$	(54)	$	73	$	(82)

Leases (Tables)

9 Months Ended

Sep. 30, 2019

Leases [Abstract]

Lessee, Operating Lease, Disclosure [Table Text Block]

	Three Months Ended			Nine Months Ended
	September 30, 2019			September 30, 2019
	(in thousands)			(in thousands)
Operating lease cost	$	523		$	1,561
Short term lease cost		29			156
Sublease income		(104)			(309)
Total lease cost	$	448		$	1,408

Supplemental cash flow information related to the Company's operating leases was as follows:

	Nine Months Ended
	September 30, 2019
	(in thousands)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	1,815

Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$	-

Supplemental balance sheet information related to the Company's operating leases was as follows:

	September 30, 2019
	(in thousands)
Operating lease right-of use assets	$	8,497

Current portion, operating lease liabilities	$	2,424
Operating lease liabilities, long term		8,342
Total operating lease liabilities	$	10,766

Weighted average remaining lease term		8.4	years
Weighted average discount rate		9.2%

Future minimum lease payments for operating leases [Table Text Block]

	Operating
	Leases
	(in thousands)
2020	$	2,424
2021		1,987
2022		1,829
2023		1,783
2024		1,740
Thereafter		6,125
Total lease payments		15,888
Less interest		(5,122)
Total operating lease liabilities	$	10,766

Capital Stock (Tables)

9 Months Ended

Sep. 30, 2019

Capital Stock Disclosure [Abstract]

Schedule Of Stock Options And Restricted Stock Units Activity Rollforward [Table Text Block]

		Stock Options			Restricted Stock Units			Market Condition RSU's
			Weighted			Weighted			Weighted
		Stock	Average		Restricted	Average		Market	Average
		Options	Exercise		Stock Units	Grant Date		Condition RSU's	Grant Date
		Outstanding	Price		Outstanding	Fair Value		Outstanding	Fair Value

Balance at December 31, 2018		1,956,732	$	4.25	1,233,762	$	3.36	116,944	$	4.19
	Granted	804,039		3.35	1,472,884		2.25	541,627		2.14
	Exercised	(2,500)		3.25	-		-	-		-
	Vested (RSUs)	-		-	(788,512)		3.30	(3,778)		3.30
	Cancelled / forfeited	(616,436)		3.96	(471,006)		3.41	(188,680)		3.63
Balance at September 30, 2019		2,141,835	$	4.15	1,447,128	$	3.19	466,113	$	4.16

Stock Based Compensation Expense Activity By Function [Table Text Block]

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2019		2018		2019		2018
		(in thousands)

Cost of revenues	$	13	$	19	$	34	$	45
Sales and marketing		39		105		68		331
General and administrative		895		308		1,975		1,581
Research and development		40		54		116		125
Discontinued operations		-		-		-		150
Total stock-based compensation	$	987	$	486	$	2,193	$	2,232

Basic and Diluted Shares [Table Text Block]

	Three Months Ended		Nine Months Ended
	September 30,		September 30,
	2019	2018	2019	2018

Basic	38,036,261	36,947,052	37,764,489	36,169,536
Effect of assumed conversion of employee and director stock options, restricted stock units and Market Condition RSUs	-	-	-	-
Diluted	38,036,261	36,947,052	37,764,489	36,169,536

Long Term Debt (Tables)

9 Months Ended

Sep. 30, 2019

Long Term Debt Disclosure [Abstract]

Schedule of Debt [Table Text Block]

	September 30,		December 31,
	2019		2018
		(in thousands)
Long-term debt:
Term loan	$	55,597	$	62,400
Total unamortized deferred financing costs		(1,278)		(1,605)
Total debt		54,319		60,795
Less: current installments		(3,000)		(6,383)
Current unamortized deferred financing costs		393		401
Long-term debt	$	51,712	$	54,813

Derivative (Tables)

9 Months Ended

Sep. 30, 2019

Derivatives [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

			September 30, 2019
			Notional Amount		Fair Value (a)
Derivatives designated as hedging instruments under ASC 815		Balance sheet classification		(in thousands)
Interest rate swaps		Other assets (long term liabilities)	$	30,206	$	(669)


			December 31, 2018
			Notional Amount		Fair Value (a)
Derivatives designated as hedging instruments under ASC 815		Balance sheet classification		(in thousands)
Interest rate swaps		Other assets (long term liabilities)	$	34,090	$	(170)

	(a) See Note 16 for the fair value measurements related to these financial instruments.

Schedule of Cash Flow Hedges Included in AOCI [Table Text Block]

Derivatives in Hedging Relationships	Amount of gain (loss) recognized in OCI on derivative (effective portion)
	Three months ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
	(in thousands)
Interest rate swaps	$	(78)	$	126	$	(572)	$	27

Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]

Details about AOCI Components			Amount reclassified from AOCI into income (effective portion)
	Three Months Ended					Nine Months Ended				Location of amount reclassified from AOCI
	September 30,					September 30,				Location of amount reclassified from AOCI
	2019			2018		2019		2018		into income (effective portion)
	(in thousands)
Interest rate swaps	$	37		$	55	$	73	$	99	Interest expense

Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2019

Fair Value Disclosures [Abstract]

Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis [Table Text Block]

	Fair Value as of September 30, 2019
(In thousands)		Level 1		Level 2		Level 3		Total
Assets (Liabilities):
Interest rate swap agreements	$	-	$	(669)	$	-	$	(669)


	Fair Value as of December 31, 2018
(In thousands)		Level 1		Level 2		Level 3		Total
Assets (Liabilities):
Interest rate swap agreements	$	-	$	(170)	$	-	$	(170)

Revenues (Tables)

9 Months Ended

Sep. 30, 2019

Revenues Disclosure [Abstract]

Disaggregation of Revenue [Table Text Block]

	Three Months Ended September 30, 2019
		(in thousands)
	United States		United Kingdom		Germany		Rest of the world		Total
Instruments, equipment, software and accessories	$	19,388	$	2,285	$	2,772	$	1,878	$	26,323
Service, maintenance and warranty contracts		822		198		51		24		1,095
Total revenues	$	20,210	$	2,483	$	2,823	$	1,902	$	27,418


	Three Months Ended September 30, 2018
		(in thousands)
	United States		United Kingdom		Germany		Rest of the world		Total
Instruments, equipment, software and accessories	$	19,458	$	3,098	$	2,479	$	2,124	$	27,159
Service, maintenance and warranty contracts		1,077		297		79		23		1,476
Total revenues	$	20,535	$	3,395	$	2,558	$	2,147	$	28,635


	Nine Months Ended September 30, 2019
		(in thousands)
	United States		United Kingdom		Germany		Rest of the world		Total
Instruments, equipment and accessories	$	58,979	$	7,814	$	8,956	$	5,675	$	81,424
Service, maintenance and warranty contracts		2,874		624		227		55		3,780
Total revenues	$	61,853	$	8,438	$	9,183	$	5,730	$	85,204


	Nine Months Ended September 30, 2018
		(in thousands)
	United States		United Kingdom		Germany		Rest of the world		Total
Instruments, equipment and accessories	$	56,153	$	10,685	$	9,485	$	6,524	$	82,847
Service, maintenance and warranty contracts		3,107		631		277		54		4,069
Total revenues	$	59,260	$	11,316	$	9,762	$	6,578	$	86,916

Activity in allowance for doubtful accounts [Table Text Block]

	Nine Months Ended September 30,
		2019		2018
		(in thousands)

Balance, beginning of period	$	332	$	193
Addition due to business combination		-		102
Bad debt expense		394		3
Charge-offs and other recoveries		(354)		(23)
Effect of foreign currency translation		(8)		26
Balance, end of period	$	364	$	301

Service Contracts [Member]

Deferred Revenue Arrangement [Line Items]

Deferred Revenue, by Arrangement, Disclosure [Table Text Block]

(in thousands)	Service Contracts		Customer Advances		Total
Three Months Ended September 30, 2019 and 2018
Balance at June 30, 2019	$	1,593	$	1,939	$	3,532
Deferral of revenue		471		310		781
Recognition of deferred revenue		(358)		(421)		(779)
Effect of foreign currency translation		16		-		16
Balance at September 30, 2019	$	1,722	$	1,828	$	3,550

Balance at June 30, 2018	$	1,694	$	1,853	$	3,547
Deferral of revenue		801		190		991
Recognition of deferred revenue		(1,006)		(274)		(1,280)
Effect of foreign currency translation		9		-		9
Balance at September 30, 2018	$	1,498	$	1,769	$	3,267

Nine Months Ended September 30, 2019 and 2018
Balance at December 31, 2018	$	1,659	$	2,161	$	3,820
Deferral of revenue		1,597		561		2,158
Recognition of deferred revenue		(1,550)		(894)		(2,444)
Effect of foreign currency translation		16		-		16
Balance at September 30, 2019	$	1,722	$	1,828	$	3,550

Balance at December 31, 2017	$	505	$	-	$	505
Addition due to business combination		848		2,128		2,976
Deferral of revenue		3,084		434		3,518
Recognition of deferred revenue		(2,933)		(793)		(3,726)
Effect of foreign currency translation		(6)		-		(6)
Balance at September 30, 2018	$	1,498	$	1,769	$	3,267

Warranties (Tables)

9 Months Ended

Sep. 30, 2019

Warranties Disclosure [Abstract]

Warranty Rollforward Disclosure [Table Text Block]

		Beginning	(Payments)\	Provision		Ending
		Balance	Credits	Increase/(Decrease)		Balance
		(in thousands)

Year ended December 31, 2018	$	246	(37)	182	$	391

Nine months ended September 30, 2019	$	391	(4)	(107)	$	280

Basis of Presentation and Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2019	Mar. 31, 2019
Summary of Significant Accounting Policies [Abstract]
Immaterial Error Correction	The immaterial misclassification understated current portion, long term debt and overstated long term debt, less current installments. This misclassification, in the amount of approximately $4.0 million, related to the classification of the Company’s excess cash flow payment made to its lenders during the quarter ended March 31, 2019 as long term instead of current on its consolidated balance sheet at December 31, 2018. The misclassification had no impact on total reported debt.
Classification of the Company's excess cash flow payment [Member]
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Miscalculation amount		$ 4

Recently Issued Accounting Pronouncements (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jan. 01, 2019	Dec. 31, 2018
Leases [Abstract]
Operating Lease, Right-of-Use Asset	$ 8,497	$ 9,400	$ 0
Operating lease liabilities	$ 10,766	$ 11,700

Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	$ (15,717)	$ (13,532)
Foreign currency translation adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(14,316)	(12,630)
Derivatives qualifying as hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(669)	(170)
Defined benefit pension plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	$ (732)	$ (732)

Acquisitions (Narratives) (Details) - USD ($) $ in Millions		9 Months Ended
Acquisitions (Narratives) (Details) - USD ($) $ in Millions	Jan. 31, 2018	Sep. 30, 2019	Sep. 30, 2018
Business Acquisition [Line Items]
Acquisition purchase price	$ 71.1
Business Acquisition, Description of Acquired Entity		DSI, a St. Paul, Minnesota-based life science research company, is a recognized leader in physiologic monitoring focused on delivering preclinical products, systems, services and solutions to its customers.
Business Acquisition Direct Acquisition Costs In Income Statement			$ 3.0
The results of operations for DSI:
Busniess combination purchase accounting inventory fair value step up amortization			3.8
Intangible asset amortization expense			$ 2.9

Acquisitions (Details) - Data Sciences International, Inc. (DSI) [Member] $ in Thousands	9 Months Ended
	Sep. 30, 2018 USD ($)
Tangible assets and liabilities assumed, as referenced above, preliminarily consist of the following:
Business Acquisitions Pro Forma Revenue	$ 90,384
Business Acquisitions Pro Forma Net Income Loss	$ (236)

Discontinued Operations (Narrative) (Details) - USD ($) $ in Thousands		9 Months Ended
	Jan. 22, 2018	Sep. 30, 2019	Sep. 30, 2018
Discontinued Operations [Abstract]
Discontinued Operation, Name	Denville
Sale price of of assets Denville	$ 20,000
Earn out provision of discontinued operations	3,000
Proceeds From Divestiture Of Business		$ 1,020	$ 15,754
Potential consideration year 2018	2,000
Potential consideration year 2019	$ 1,000

Discontinued Operations - income (loss) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Discontinued Operation, Income Statement Disclosures [Abstract]
Revenues				$ 893
Cost of revenues				(534)
Operating and other expenses				(673)
Gain on disposal of discontinued operations				1,251
Income (loss) from discontinued operations before income taxes	$ 0	$ 0	$ 0	937
Income tax (benefit) expense	0	0	0	(883)
Income (loss) from discontinued operations	$ 0	$ 0	$ 0	$ 1,820

- Definition

Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

+ References + Details

- Definition

Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

+ References + Details

- Definition

Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

+ References + Details

Amortizable Intangible Assets (Narratives) (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Amortizable Intangible Assets Disclosure [Abstract]
Amortization of intangible assets	$ 1,422		$ 1,468	$ 4,289	$ 3,983
Remaining year ending December 31, 2019	5,600			5,600
Year ending December 31, 2020	5,500			5,500
Year ending December 31, 2021	5,500			5,500
Year ending December 31, 2022	5,400			5,400
Year ending December 31, 2023	5,300			5,300
Year ending December 31, 2024	5,200			5,200
Finite-Lived Intangible Assets [Line Items]
Impairment charges	$ 460		$ 0	$ 1,401	$ 0
In-process research and development [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment charges		$ 900
Completed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Reclassification of intangible assets		$ 400

Amortizable Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 70,758	$ 73,351
Finite-Lived Intangible Assets, Accumulated Amortization	(32,178)	(28,819)
Net	38,580	44,532
Distribution agreements/customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	22,014	22,657
Finite-Lived Intangible Assets, Accumulated Amortization	(10,209)	(9,509)
Net	$ 11,805	13,148
Finite-Lived Intangible Assets, Weighted Average Useful Life	10 years
Existing technology [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 40,962	41,268
Finite-Lived Intangible Assets, Accumulated Amortization	(18,534)	(16,215)
Net	$ 22,428	25,053
Finite-Lived Intangible Assets, Weighted Average Useful Life	6 years 4 months 24 days
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 7,578	7,828
Finite-Lived Intangible Assets, Accumulated Amortization	(3,231)	(2,861)
Net	$ 4,347	4,967
Finite-Lived Intangible Assets, Weighted Average Useful Life	7 years
In-process research and development [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 0	1,387
Finite-Lived Intangible Assets, Accumulated Amortization	0	(30)
Net	0	1,357
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	204	211
Finite-Lived Intangible Assets, Accumulated Amortization	(204)	(204)
Net	$ 0	$ 7

Inventories (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Inventories Disclosure [Abstract]
Finished Goods	$ 5,835	$ 6,936
Work in Process	3,838	3,667
Raw Materials	14,221	14,484
Total Inventories, Net	$ 23,894	$ 25,087

Property, Plant and Equipment (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 20,438	$ 23,336
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(15,204)	(17,438)
Property, plant and equipment, net	5,234	5,898
Property, Plant and Equipment, Disposals	3,500
Land, buildings and leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	2,181	2,468
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	7,560	9,678
Computer equipment and software [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	9,280	9,685
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	1,307	1,390
Automobiles [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 110	$ 115

Restructuring and Other Exit Costs (Details) $ in Thousands	3 Months Ended
Restructuring and Other Exit Costs (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	$ 0
Restructuring charges	914
Non-cash charges	(705)
Cash payments	(1)
Restructuring Reserve, Ending Balance	208
Selling, general and administrative expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	400
Cost of revenue [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0
Restructuring charges	235
Non-cash charges	(235)
Cash payments	0
Restructuring Reserve, Ending Balance	0
Severance Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0
Restructuring charges	209
Non-cash charges	0
Cash payments	(1)
Restructuring Reserve, Ending Balance	208
Impairment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0
Restructuring charges	460
Non-cash charges	(460)
Cash payments	0
Restructuring Reserve, Ending Balance	0
Other [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0
Restructuring charges	10
Non-cash charges	(10)
Cash payments	0
Restructuring Reserve, Ending Balance	$ 0

Related Party Transactions (Narratives) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Business Acquisition [Line Items]
Operating Leases, Rent Expense, Net	$ 0.1	$ 0.1	$ 0.3	$ 0.3

Employee Benefit Plans (Narratives) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Employee Benefit Plans Disclosure [Abstract]
Expected employer contribution in current remaining fiscal year	$ 0.1
Defined Benefit Plan Payments In Current Fiscal Year	$ 0.6	$ 0.5
Defined Benefit Plans Liabilities Noncurrent			$ 0.9

Employee Benefit Plans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
Employee Benefit Plans (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Employee Benefit Plans Disclosure [Abstract]
Interest Cost	$ 121	$ 121	$ 376	$ 371
Expected Return on Plan Assets	(167)	(187)	(519)	(575)
Net Amortization Loss	69	53	216	163
Curtailment Gain	0	(41)	0	(41)
Net Periodic Benefit Cost, Total	$ 23	$ (54)	$ 73	$ (82)

Leases (Narratives) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
Leases (Narratives) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Jan. 01, 2019	Dec. 31, 2018
Leases [Abstract]
Lease Expiration Date	Dec. 31, 2023
Operating Lease, Right-of-Use Asset	$ 8,497		$ 8,497		$ 9,400	$ 0
Operating lease liabilities	10,766		10,766		$ 11,700
Operating Leases, Rent Expense, Net	$ 100	$ 100	$ 300	$ 300

Leases - Components of lease expense and other supplementary information (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019	Jan. 01, 2019	Dec. 31, 2018
Components of lease expense:
Operating lease cost	$ 523	$ 1,561
Short term lease cost	29	156
Sublease income	(104)	(309)
Total lease cost	448	1,408
Supplemental cash flow information [Abstract]
Operating cash flows from operating leases	1,815
Right-of-use assets obtained in exchange for lease obligations, operating leases	0
Supplemental balance sheet information [Abstract]
Operating lease right-of use assets	8,497	8,497	$ 9,400	$ 0
Current portion, operating lease liabilities	2,424	2,424		0
Operating lease liabilities, long term	8,342	8,342		$ 0
Operating lease liabilities	$ 10,766	$ 10,766	$ 11,700
Weighted average remaining lease term	8 years 4 months 24 days	8 years 4 months 24 days
Weighted average discount rate	9.20%	9.20%

Leases - Maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jan. 01, 2019
Leases [Abstract]
2020	$ 2,424
2021	1,987
2022	1,829
2023	1,783
2024	1,740
Thereafter	6,125
Total lease payments	15,888
Less interest	(5,122)
Total operating lease liabilities	$ 10,766	$ 11,700

Capital Stock (Narratives) (Details) - shares	Sep. 30, 2019	Dec. 31, 2018	Sep. 30, 2018
Common stock
Common Stock- Shares Outstanding	38,064,851	37,378,802
Market Condition Restricted Stock Unit [Member]
Common stock
Common Stock- Shares Outstanding	4,055,076		3,286,853

Capital Stock - Stock options and restricted stock activity (Details) - $ / shares	3 Months Ended	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Share-Based Compensation Arrangement By Share-Based Payment Award [Line Items]
Opening Balance Stock Options Outstanding		1,956,732
Stock options, Granted		804,039
Stock option, Exercised	(971,000)	(2,500)	(1,690,000)
Expired		0
Stock options, Cancelled and Forfeited		(616,436)
Closing Balance Stock Options Outstanding		2,141,835
Begining Balance Weighted Average Exercise Price		$ 4.25
Stock Options, Weighted Average Exercise Price, Granted		3.35
Stock Options, Weighted Average Exercise Price, Exercised		3.25
Stock Options, Weighted Average Exercise Price, Cancelled / Forfeited		3.96
Closing Balance Weighted Average Exercise Price		$ 4.15
Begining Balance Restricted Stock Units Outstanding		1,233,762
Restricted stock units, Granted		1,472,884
Retricted Stock Units, Vested		(788,512)
Restricted Stock Units, Cancelled/ Forfeited		(471,006)
Closing Balance Restricted Stock Units Outstanding		1,447,128
Begining Balance Grant Date Fair Value Of Restricted Stock Units		$ 3.36
Restricted Stock Units Grant Date Fair Value, Granted		2.25
Restricted Stock Unit, Grant Date Fair Value, Vested		3.3
Restricted Stock Unit Grant Date Fair Value, Forfeited		3.41
Closing Balance Grant Date Fair Value Of Restricted Stock Units		$ 3.19
Market Condition Restricted Stock Unit [Member]
Share-Based Compensation Arrangement By Share-Based Payment Award [Line Items]
Begining Balance Restricted Stock Units Outstanding		116,944
Restricted stock units, Granted		541,627
Retricted Stock Units, Vested		(3,778)
Restricted Stock Units, Cancelled/ Forfeited		(188,680)
Closing Balance Restricted Stock Units Outstanding		466,113
Begining Balance Grant Date Fair Value Of Restricted Stock Units		$ 4.19
Restricted Stock Units Grant Date Fair Value, Granted		2.14
Restricted Stock Unit, Grant Date Fair Value, Vested		3.3
Restricted Stock Unit Grant Date Fair Value, Forfeited		3.63
Closing Balance Grant Date Fair Value Of Restricted Stock Units		$ 4.16

Capital Stock - Stock-based compensation expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	$ 987	$ 486	$ 2,193	$ 2,232
Cost of Sales [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	13	19	34	45
Selling and Marketing Expense [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	39	105	68	331
General and Administrative Expense [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	895	308	1,975	1,581
Research and Development Expense [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	40	54	116	125
Discontinued Operations [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	$ 0	$ 0	$ 0	$ 150

Capital Stock - Weighted average number of shares (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Weighted Average Number Diluted Shares Outstanding Adjustment [Abstract]
Basic	38,036,261	36,947,052	37,764,489	36,169,536
Effect of assumed conversion of employee and director stock options, restricted stock units and Market Condition RSU's	0	0	0	0
Diluted	38,036,261	36,947,052	37,764,489	36,169,536

Long Term Debt (Narratives) (Details) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended
	Jan. 31, 2018	Sep. 30, 2019	Sep. 30, 2019	Dec. 31, 2018	Jan. 22, 2018
Debt Instrument [Line Items]
Secured Debt		$ 54,319	$ 54,319	$ 60,795
Line of Credit Facility, Maximum Borrowing Capacity	$ 25,000
Maturity of debt instrument in years and months			5 years
Debt Instrument, Payment Terms	the outstanding term loans began to amortize in equal quarterly installments equal to $0.4 million per quarter on such date and during each of the next three quarters thereafter, $0.6 million per quarter during the next four quarters thereafter and $0.8 million per quarter thereafter, with a balloon payment at maturity.
Debt Instrument Quarterly Payment Current Year		400	$ 400
Debt Instrument Quarterly Payment Next Year		600	600
Debt Instrument Quarterly Payment Thereafter		$ 800	$ 800
Limitation on pledges of capital stock of foreign subsidiaries		65.00%	65.00%
Line of Credit Facility, Amount Outstanding					$ 11,900
Line of Credit Facility, Remaining Borrowing Capacity		$ 9,400	$ 9,400
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 25,000
Line of Credit Facility, Amount Outstanding	$ 4,800
Revolving Credit Facility [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Debt Instrument, Description Of Variable Rate Basis	a base rate plus 4.75%
Basis Spread on Variable Rate	4.75%
Floor Interest Rate	4.25%
Revolving Credit Facility [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Debt Instrument, Description Of Variable Rate Basis	London Interbank Offered Rate (LIBOR) rate plus 6.25%
Basis Spread on Variable Rate	6.25%
Floor Interest Rate	1.25%
Term Loan [Member]
Debt Instrument [Line Items]
Secured Debt	$ 64,000
Percentage of excess cash flow		50.00%	50.00%
Interest Rate As Of Reporting Date		8.69%	8.69%
Excess cash flow [Member]
Debt Instrument [Line Items]
Prepayment of senior debt		$ 4,000
Denville Transaction [Member]
Debt Instrument [Line Items]
Prepayment of senior debt			$ 1,000

Long Term Debt - Borrowings (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Debt Instrument
Term Loan	$ 55,597	$ 62,400
Total unamortized deferred financing costs	(1,278)	(1,605)
Total Debt	54,319	60,795
Less: current installments	(3,000)	(6,383)
Current unamortized deferred financing costs	393	401
Long-term debt	$ 51,712	$ 54,813

Derivative (Narratives) (Details) - USD ($)		3 Months Ended	9 Months Ended
Derivative (Narratives) (Details) - USD ($)	Jan. 31, 2018	Sep. 30, 2019	Sep. 30, 2019	Dec. 31, 2018
Derivative Instruments And Hedging Activities Disclosure [Line Items]
Deferred losses on derivative instruments accumulated in AOCI expected to be reclassified to earnings		$ 93,000	$ 300,000
Derivative Interest Rate Swap Effective Percentage		100.00%
Secured Debt		$ 54,319,000	$ 54,319,000	$ 60,795,000
Line of Credit Facility, Maximum Borrowing Capacity	$ 25,000,000
Term Loan [Member]
Derivative Instruments And Hedging Activities Disclosure [Line Items]
Notional Amount of Interest Rate Swaps	$ 36,000,000
LIBOR Fixed Rate	2.72%
Secured Debt	$ 64,000,000

Derivative (Details) - Other liabilities-non current [Member] - Derivatives qualifying as hedges [Member] - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Derivatives, Fair Value [Line Items]
Notional Amount of Interest Rate Derivatives	$ 30,206	$ 34,090
Derivative Liability, Fair Value, Net	$ (669)	$ (170)

Derivative - Other comprehensive income loss (Details) - Derivatives qualifying as hedges [Member] - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion	$ (78,000)	$ 126,000	$ (572,000)	$ 27,000
Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion	$ 37,000	$ 55,000	$ 73,000	$ 99,000

Fair Value Measurements (Details) - Derivatives qualifying as hedges [Member] - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Liabilities	$ (669)	$ (170)
Fair Value, Inputs, Level 1 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Liabilities	0	0
Fair Value, Inputs, Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Liabilities	(669)	(170)
Fair Value, Inputs, Level 3 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative Liabilities	$ 0	$ 0

Revenues - Narrative (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2017
Revenues Disclosure [Abstract]
Deferred Revenue	$ 3,550	$ 3,532	$ 3,820	$ 3,267	$ 3,547	$ 505

Revenues - Disaggregation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Disaggregation of Revenue [Line Items]
Revenues	$ 27,418	$ 28,635	$ 85,204	$ 86,916
Instruments, equipment software and accessories [Member]
Disaggregation of Revenue [Line Items]
Revenues	26,323	27,159	81,424	82,847
Service, maintenance and warranty contracts [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,095	1,476	3,780	4,069
Segment, Geographical, United States [Member]
Disaggregation of Revenue [Line Items]
Revenues	20,210	20,535	61,853	59,260
Segment, Geographical, United States [Member] \| Instruments, equipment software and accessories [Member]
Disaggregation of Revenue [Line Items]
Revenues	19,388	19,458	58,979	56,153
Segment, Geographical, United States [Member] \| Service, maintenance and warranty contracts [Member]
Disaggregation of Revenue [Line Items]
Revenues	822	1,077	2,874	3,107
Segment, Geographical, United Kingdom [Member]
Disaggregation of Revenue [Line Items]
Revenues	2,483	3,395	8,438	11,316
Segment, Geographical, United Kingdom [Member] \| Instruments, equipment software and accessories [Member]
Disaggregation of Revenue [Line Items]
Revenues	2,285	3,098	7,814	10,685
Segment, Geographical, United Kingdom [Member] \| Service, maintenance and warranty contracts [Member]
Disaggregation of Revenue [Line Items]
Revenues	198	297	624	631
Segment, Geographical, Germany [Member]
Disaggregation of Revenue [Line Items]
Revenues	2,823	2,558	9,183	9,762
Segment, Geographical, Germany [Member] \| Instruments, equipment software and accessories [Member]
Disaggregation of Revenue [Line Items]
Revenues	2,772	2,479	8,956	9,485
Segment, Geographical, Germany [Member] \| Service, maintenance and warranty contracts [Member]
Disaggregation of Revenue [Line Items]
Revenues	51	79	227	277
Rest Of The World [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,902	2,147	5,730	6,578
Rest Of The World [Member] \| Instruments, equipment software and accessories [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,878	2,124	5,675	6,524
Rest Of The World [Member] \| Service, maintenance and warranty contracts [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 24	$ 23	$ 55	$ 54

Revenues - Deferred revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Movement in Deferred Revenue [Roll Forward]
Deferred Revenue, beginning balance	$ 3,532	$ 3,547	$ 3,820	$ 505
Addition due to business combination		0		2,976
Deferral of revenue	781	991	2,158	3,518
Recognition of deferred revenue	(779)	(1,280)	(2,444)	(3,726)
Effect of foreign currency translation	16	9	16	(6)
Deferred Revenue, ending balance	3,550	3,267	3,550	3,267
Service Contracts [Member]
Movement in Deferred Revenue [Roll Forward]
Deferred Revenue, beginning balance	1,593	1,694	1,659	505
Addition due to business combination		0		848
Deferral of revenue	471	801	1,597	3,084
Recognition of deferred revenue	(358)	(1,006)	(1,550)	(2,933)
Effect of foreign currency translation	16	9	16	(6)
Deferred Revenue, ending balance	1,722	1,498	1,722	1,498
Customer Advances [Member]
Movement in Deferred Revenue [Roll Forward]
Deferred Revenue, beginning balance	1,939	1,853	2,161	0
Addition due to business combination		0		2,128
Deferral of revenue	310	190	561	434
Recognition of deferred revenue	(421)	(274)	(894)	(793)
Effect of foreign currency translation	0	0	0	0
Deferred Revenue, ending balance	$ 1,828	$ 1,769	$ 1,828	$ 1,769

Revenues - Allowance for doubtful debts (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
AllowanceForDoubtfulAccountsReceivableRollforward
Balance, beginning of period	$ 332	$ 193
Addition due to business combination	0	102
Bad debt expense	394	3
Bad debt (recoveries)	(354)	(23)
Effect of foreign currency translation adjustment	(8)	26
Balance, end of period	$ 364	$ 301

Warranties (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Warranties (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Product Warranty Disclosure [Abstract]
Warranty, Beginning Balance	$ 391	$ 246
Warranty (payments) credits	(4)	(37)
Provision, increase (decrease)	(107)	182
Warranty, Ending Balance	$ 280	$ 391

Income Tax (Narratives) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
Income Tax (Narratives) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Tax [Abstract]
Effective Income Tax Rate	2.00%	71.80%	6.50%	5.20%
Income tax expense (benefit)	$ (54)	$ (652)	$ (363)	$ (416)
Discontinued Operation, Tax Effect of Discontinued Operation	$ 0	$ 0	$ 0	$ (883)
US Federal Income Tax Rate, based on Tax Cuts And Jobs Act Of 2017			21.00%

- Definition

+ References + Details

Subsequent Event (Details) - Subsequent Event [Member]	Nov. 04, 2019 USD ($)
Subsequent Event [Line Items]
Subsequent Event Description	On November 4, 2019, the Company entered into a Second Amendment of its Financing Agreement with Cerberus Business Finance, LLC, as collateral agent for the Lenders, and PNC Bank, National Association, as administrative agent for the Lenders.
Payment of amendment fee	$ 50,000