Harvard Bioscience (HBIO) 10-Q 6 Aug 21 2021 Q2 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2021	Jul. 30, 2021
Document Information [Line Items]
Entity Central Index Key	0001123494
Entity Registrant Name	HARVARD BIOSCIENCE INC
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2021
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2021
Document Transition Report	false
Entity File Number	001-33957
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	04-3306140
Entity Address, Address Line One	84 October Hill Road
Entity Address, City or Town	Holliston
Entity Address, State or Province	MA
Entity Address, Postal Zip Code	01746
City Area Code	508
Local Phone Number	893-8999
Title of 12(b) Security	Common Stock, $0.01 par value
Trading Symbol	HBIO
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		40,762,931

Consolidated Balance Sheets (Cu

Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 6,237	$ 8,317
Accounts receivable, net	17,391	17,766
Inventories	24,709	22,262
Other current assets	5,220	3,355
Total current assets	53,557	51,700
Property, plant and equipment, net	3,429	3,960
Operating lease right-of-use assets	7,241	7,761
Goodwill	58,424	58,590
Intangible assets, net	30,510	33,151
Other long-term assets	810	1,092
Total assets	153,971	156,254
Current liabilities:
Current portion of long-term debt	2,220	1,721
Current portion of operating lease liabilities	2,061	2,111
Accounts payable	7,489	5,972
Deferred revenue	3,675	3,771
Other current liabilities	7,823	7,478
Total current liabilities	23,268	21,053
Long-term debt	40,921	46,286
Deferred tax liability	1,572	1,899
Operating lease liabilities	6,971	7,481
Other long-term liabilities	2,538	2,854
Total liabilities	75,270	79,573
Commitments and contingencies - Note 13
Stockholders' equity:
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; 40,485,586 and 47,152,587 shares issued and 40,485,586 and 39,407,080 shares outstanding, respectively	451	444
Additional paid-in-capital	225,583	232,357
Accumulated deficit	(133,465)	(132,386)
Accumulated other comprehensive loss	(13,868)	(13,066)
Treasury stock at cost, -0- and 7,745,507 common shares, respectively	0	(10,668)
Total stockholders' equity	78,701	76,681
Total liabilities and stockholders' equity	$ 153,971	$ 156,254

Consolidated Balance Sheets (_2

Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares	Jun. 30, 2021	Dec. 31, 2020
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	80,000,000	80,000,000
Common stock, shares issued (in shares)	40,485,586	47,152,587
Common stock, shares outstanding (in shares)	40,485,586	39,407,080
Treasury stock, common shares (in shares)	0	7,745,507

Consolidated Statements of Oper

Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues	$ 29,197	$ 23,308	$ 56,186	$ 47,079
Cost of revenues	12,844	9,452	24,402	20,241
Gross profit	16,353	13,856	31,784	26,838
Sales and marketing expenses	5,730	4,279	11,116	9,858
General and administrative expenses	6,399	5,670	12,732	12,429
Research and development expenses	2,701	1,897	5,188	4,387
Amortization of intangible assets	1,465	1,454	2,929	2,881
Total operating expenses	16,295	13,300	31,965	29,555
Operating income (loss)	58	556	(181)	(2,717)
Other expense:
Interest expense	(377)	(1,233)	(788)	(2,532)
Other expense, net	(313)	(191)	(347)	(80)
Total other expense	(690)	(1,424)	(1,135)	(2,612)
Loss before income taxes	(632)	(868)	(1,316)	(5,329)
Income tax (benefit) expense	(222)	713	(237)	768
Net loss	$ (410)	$ (1,581)	$ (1,079)	$ (6,097)
Loss per share:
Basic and diluted loss per common share (in dollars per share)	$ (0.01)	$ (0.04)	$ (0.03)	$ (0.16)
Weighted-average common shares:
Basic and diluted (in shares)	40,152	38,468	39,960	38,389

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net loss	$ (410)	$ (1,581)	$ (1,079)	$ (6,097)
Other comprehensive income (loss):
Foreign currency translation adjustments	523	619	(802)	(957)
Derivatives qualifying as hedges, net of tax	0	86	0	(58)
Other comprehensive income (loss)	523	705	(802)	(1,015)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent, Total	$ 113	$ (876)	$ (1,881)	$ (7,112)

Consolidated Statements of Stoc

Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]	Total
Balance (in shares) at Dec. 31, 2019	45,934,000
Balance at Dec. 31, 2019	$ 438	$ 229,189	$ (124,576)	$ (12,689)	$ (10,668)	$ 81,694
Stock option exercises (in shares)	7,000
Stock option exercises	$ 0	19	0	0	0	19
Stock purchase plan (in shares)	64,000
Stock purchase plan	$ 0	167	0	0	0	167
Vesting of restricted stock units (in shares)	514,000
Vesting of restricted stock units	$ 0	0	0	0	0	0
Shares withheld for taxes (in shares)	(105,000)
Shares withheld for taxes	$ 0	(262)	0	0	0	(262)
Stock compensation expense	0	1,562	0	0	0	1,562
Net loss	0	0	(6,097)	0	0	(6,097)
Other comprehensive income (loss)	$ 0	0	0	(1,015)	0	(1,015)
Balance (in shares) at Jun. 30, 2020	46,414,000
Balance at Jun. 30, 2020	$ 438	230,675	(130,673)	(13,704)	(10,668)	76,068
Balance (in shares) at Mar. 31, 2020	46,121,000
Balance at Mar. 31, 2020	$ 438	229,740	(129,092)	(14,409)	(10,668)	76,009
Stock option exercises (in shares)	7,000
Stock option exercises	$ 0	19	0	0	0	19
Stock purchase plan (in shares)	64,000
Stock purchase plan	$ 0	167	0	0	0	167
Vesting of restricted stock units (in shares)	246,000
Vesting of restricted stock units	$ 0	0	0	0	0	0
Shares withheld for taxes (in shares)	(24,000)
Shares withheld for taxes	$ 0	(20)	0	0	0	(20)
Stock compensation expense	0	769	0	0	0	769
Net loss	0	0	(1,581)	0	0	(1,581)
Other comprehensive income (loss)	$ 0	0	0	705	0	705
Balance (in shares) at Jun. 30, 2020	46,414,000
Balance at Jun. 30, 2020	$ 438	230,675	(130,673)	(13,704)	(10,668)	76,068
Balance (in shares) at Dec. 31, 2020	47,153,000
Balance at Dec. 31, 2020	$ 444	232,357	(132,386)	(13,066)	(10,668)	76,681
Retirement of treasury stock (in shares)	(7,746,000)
Retirement of treasury stock	$ 0	(10,668)	0	0	10,668	$ 0
Stock option exercises (in shares)	497,000					496,792
Stock option exercises	$ 7	2,550	0	0	0	$ 2,557
Stock purchase plan (in shares)	56,000
Stock purchase plan	$ 0	202	0	0	0	202
Vesting of restricted stock units (in shares)	703,000
Vesting of restricted stock units	$ 0	0	0	0	0	0
Shares withheld for taxes (in shares)	(177,000)
Shares withheld for taxes	$ 0	(990)	0	0	0	(990)
Stock compensation expense	0	2,132	0	0	0	2,132
Net loss	0	0	(1,079)	0	0	(1,079)
Other comprehensive income (loss)	$ 0	0	0	(802)	0	(802)
Balance (in shares) at Jun. 30, 2021	40,486,000
Balance at Jun. 30, 2021	$ 451	225,583	(133,465)	(13,868)	0	78,701
Balance (in shares) at Mar. 31, 2021	47,696,000
Balance at Mar. 31, 2021	$ 448	234,781	(133,055)	(14,391)	(10,668)	77,115
Retirement of treasury stock (in shares)	(7,746,000)
Retirement of treasury stock	$ 0	(10,668)	0	0	10,668	0
Stock option exercises (in shares)	186,000
Stock option exercises	$ 3	630	0	0	0	633
Stock purchase plan (in shares)	56,000
Stock purchase plan	$ 0	202	0	0	0	202
Vesting of restricted stock units (in shares)	363,000
Vesting of restricted stock units	$ 0	0	0	0	0	0
Shares withheld for taxes (in shares)	(69,000)
Shares withheld for taxes	$ 0	(526)	0	0	0	(526)
Stock compensation expense	0	1,164	0	0	0	1,164
Net loss	0	0	(410)	0	0	(410)
Other comprehensive income (loss)	$ 0	0	0	523	0	523
Balance (in shares) at Jun. 30, 2021	40,486,000
Balance at Jun. 30, 2021	$ 451	$ 225,583	$ (133,465)	$ (13,868)	$ 0	$ 78,701

Consolidated Statements of Cash

Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities:
Net loss	$ (1,079)	$ (6,097)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation	891	982
Amortization of intangible assets	2,929	2,881
Amortization of deferred financing costs	140	197
Stock-based compensation expense	2,132	1,562
Deferred income taxes and other	(303)	423
Changes in operating assets and liabilities:
Accounts receivable	323	5,855
Inventories	(2,526)	(1,374)
Other assets	(1,517)	(601)
Accounts payable and accrued expenses	1,629	1,925
Deferred revenue	(100)	(276)
Other liabilities	(714)	(233)
Net cash provided by operating activities	1,805	5,244
Cash flows from investing activities:
Additions to property, plant and equipment	(357)	(524)
Additions to intangible assets	(150)	0
Net cash used in investing activities	(507)	(524)
Cash flows from financing activities:
Proceeds from issuance of debt	0	6,115
Repayments of debt	(5,000)	(16,411)
Debt issuance costs	(102)	0
Proceeds from exercise of stock options	2,759	187
Taxes paid related to net share settlement of equity awards	(990)	(262)
Net cash used in financing activities	(3,333)	(10,371)
Effect of exchange rate changes on cash	(45)	(55)
Decrease in cash and cash equivalents	(2,080)	(5,706)
Cash and cash equivalents at beginning of period	8,317	8,335
Cash and cash equivalents at end of period	6,237	2,629
Cash paid for interest	834	2,549
Cash paid for income taxes, net of refunds	$ 168	$ 98

Note 1 - Basis of Presentation

Note 1 - Basis of Presentation and Summary of Significant Accounting Policies, and Risks and Uncertainties	6 Months Ended
	Jun. 30, 2021
Notes to Financial Statements
Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]	1. Basis of Presentation and Summary of Significant Accounting Policies, and Risks and Uncertainties Basis of Presentation and Summary of Significant Accounting Policies The unaudited consolidated financial statements of Harvard Bioscience, Inc. and its wholly-owned subsidiaries (collectively, Harvard Bioscience or the Company) as of June 30, 2021 three six June 30, 2021 2020, December 31, 2020 not not 10 December 31, 2020. In the opinion of management, all adjustments, which include normal recurring adjustments necessary to present a fair statement of financial position as of June 30, 2021, three six June 30, 2021 2020, three six June 30, 2021 not The accounting policies underlying the accompanying unaudited consolidated financial statements are those set forth in Note 2 10 December 31, 2020. no three six June 30, 2021. Risks and Uncertainties On March 11, 2020, 19 19 19, second 2021. The global supply chain has experienced significant disruptions during the first 2021 19,

Note 2 - Recently Issued Accoun

Note 2 - Recently Issued Accounting Pronouncements	6 Months Ended
	Jun. 30, 2021
Notes to Financial Statements
Accounting Standards Update and Change in Accounting Principle [Text Block]	2. Recently Issued Accounting Pronouncements Accounting Pronouncements Adopted In December 2019, 2019 12, 740 2019 12 2019 12 2019 12 January 1, 2021. not Accounting Pronouncements to be Adopted In September 2016, No. 2016 13, Financial Instruments Credit Losses (Topic 326 Instruments (ASU 2016 13 may 2016 13 2016 13 December 15, 2022, 2016 13

Note 3 - Goodwill and Intangibl

Note 3 - Goodwill and Intangible Assets	6 Months Ended
	Jun. 30, 2021
Notes to Financial Statements
Goodwill and Intangible Assets Disclosure [Text Block]	3. Goodwill and Intangible Assets Goodwill The change in the carrying amount of goodwill for the six June 30, 2021 (in thousands) Carrying amount at December 31, 2020 $ 58,590 Effect of change in currency translation (166 ) Carrying amount at June 30, 2021 $ 58,424 Intangible Assets June 30, 2021 December 31, 2020 Weighted (in thousands) Amortizable intangible assets: Average Life* Gross Accumulated Amortization Net Gross Accumulated Amortization Net Distribution agreements/customer relationships 8.4 $ 18,039 $ (8,267 ) $ 9,772 $ 18,237 $ (7,746 ) $ 10,491 Existing technology 4.7 39,032 (22,403 ) 16,629 38,761 (20,674 ) 18,087 Trade names and patents 4.9 8,617 (4,756 ) 3,861 8,681 (4,362 ) 4,319 Total amortizable intangible assets $ 65,688 $ (35,426 ) $ 30,262 $ 65,679 $ (32,782 ) $ 32,897 Indefinite-lived intangible assets: 248 254 Total intangible assets $ 30,510 $ 33,151 * Weighted average life in years as of June 30, 2021 Intangible asset amortization expense was $1.5 million for each of the three June 30, 2021 2020, six June 30, 2021 2020, five June 30, 2021 Amortization Year Ending December 31, Expense (in thousands) 2021 (remainder of year) $ 2,923 2022 5,814 2023 5,704 2024 5,398 2025 4,280 Thereafter 6,143 Total $ 30,262

Note 4 - Balance Sheet Informat

Note 4 - Balance Sheet Information	6 Months Ended
	Jun. 30, 2021
Notes to Financial Statements
Supplemental Balance Sheet Disclosures [Text Block]	4. Balance Sheet Information The following tables provide details of selected balance sheet items as of the periods indicated: Inventories: June 30, December 31, (in thousands) 2021 2020 Finished goods $ 5,434 $ 4,938 Work in process 3,758 3,513 Raw materials 15,517 13,811 Total $ 24,709 $ 22,262 Other Current Liabilities: June 30, December 31, (in thousands) 2021 2020 Compensation $ 3,409 3,715 Professional fees 815 432 Warranty costs 237 185 Customer related costs 1,120 1,093 Accrued income taxes 544 286 Other 1,698 1,767 Total $ 7,823 $ 7,478

Note 5 - Restructuring and Othe

Note 5 - Restructuring and Other Exit Costs	6 Months Ended
	Jun. 30, 2021
Notes to Financial Statements
Restructuring and Related Activities Disclosure [Text Block]	5. Restructuring and Other Exit Costs On an ongoing basis, the Company reviews the global economy, the healthcare industry, and the markets in which it competes to identify operational efficiencies, enhance commercial capabilities and align its cost base and infrastructure with customer needs and its strategic plans. In order to realize these opportunities, the Company undertakes restructuring-type activities from time to time to transform its business. The following table summarizes the changes in the restructuring liabilities for the six June 30, 2021: (in thousands) Severance Other Total Balance at December 31, 2020 $ 270 $ 18 $ 288 Restructuring and other exit costs 1,145 79 1,224 Non-cash charges - (41 ) (41 ) Cash payments (882 ) (45 ) (927 ) Balance at June 30, 2021 $ 533 $ 11 $ 544 The restructuring liability has been included in other current liabilities in the consolidated balance sheet and is payable within the next twelve three June 30, 2021 2020, six June 30, 2021 2020,

Note 6 - Related Party Transact

Note 6 - Related Party Transactions	6 Months Ended
	Jun. 30, 2021
Notes to Financial Statements
Related Party Transactions Disclosure [Text Block]	6. Related Party Transactions In connection with the 2014 2021. December 31, 2024. three June 30, 2021 2020 six June 30, 2021 2020,

Note 7 - Leases

Note 7 - Leases	6 Months Ended
	Jun. 30, 2021
Notes to Financial Statements
Lessee, Operating Leases [Text Block]	7. Leases The Company has noncancelable operating leases for offices, manufacturing facilities, warehouse space, automobiles and equipment expiring at various dates through 2030. The components of lease expense for the three six June 30, 2021 2020 Three Months Ended June 30, Six Months Ended June 30 (in thousands) 2021 2020 2021 2020 Operating lease cost $ 506 $ 544 $ 1,023 $ 1,079 Short term lease cost 55 43 101 85 Sublease income (26 ) (25 ) (51 ) (132 ) Total lease cost $ 535 $ 562 $ 1,073 $ 1,032 Supplemental cash flow information related to the Company's operating leases was as follows: Six Months Ended June 30, (in thousands) 2021 2020 Cash paid for amounts included in the measurement of lease liabilities: $ 1,061 $ 1,381 Right of use assets obtained in exchange for lease obligations: $ 400 $ 387 Supplemental balance sheet information related to the Company's operating leases was as follows: (in thousands) June 30, 2021 December 31, 2020 Operating lease right-of use assets $ 7,241 $ 7,761 Current portion, operating lease liabilities $ 2,061 $ 2,111 Operating lease liabilities, long term 6,971 7,481 Total operating lease liabilities $ 9,032 $ 9,592 Weighted average remaining lease term (years) 7.1 7.4 Weighted average discount rate 9.3 % 9.3 % Maturities of operating lease liabilities at June 30, 2021 (in thousands) 2021 (remainder of year) $ 1,053 2022 2,044 2023 1,999 2024 1,732 2025 1,001 Thereafter 4,854 Total lease payments 12,683 Less imputed interest (3,651 ) Total operating lease liabilities $ 9,032

Note 8 - Capital Stock and Stoc

Note 8 - Capital Stock and Stock-based Compensation	6 Months Ended
	Jun. 30, 2021
Notes to Financial Statements
Shareholders' Equity and Share-based Payments [Text Block]	8. Capital Stock and Stock-Based Compensation Retirement of Treasury Stock In May, 2021, Stock-Based Payment Awards Activity under the Company’s incentive plan for the six June 30, 2021 Stock Options Restricted Stock Units Market Condition RSU's Weighted Stock Average Restricted Market Options Exercise Stock Units Grant Date Condition RSU's Grant Date Outstanding Price Outstanding Fair Value Outstanding Fair Value Balance at December 31, 2020 2,637,339 $ 3.51 1,560,461 $ 2.44 813,031 2.12 Granted - - 793,968 4.65 293,509 4.61 Exercised (496,792 ) 3.76 - - - - Vested (RSUs) - - (539,417 ) 2.83 (163,218 ) 2.98 Cancelled/Forfeited (609,310 ) 4.28 (56,642 ) 3.64 (6,179 ) 2.98 Performance Factor Adjustment - - - - 163,216 2.98 Balance at June 30, 2021 1,531,237 $ 3.13 1,758,370 $ 3.28 1,100,359 $ 2.78 Stock-based compensation expense related to stock options, restricted stock units, Market Condition RSU’s and the ESPP for the three six June 30, 2021 2020 Three Months Ended June 30, Six Months Ended June 30, (in thousands) 2021 2020 2021 2020 Cost of revenues $ 31 $ 14 $ 51 $ 24 Sales and marketing expenses 131 62 224 113 General and administrative expenses 969 645 1,803 1,341 Research and development expenses 33 48 54 84 Total stock-based compensation expenses $ 1,164 $ 769 $ 2,132 $ 1,562 As of June 30, 2021, not not The weighted average estimated fair value of the Market Condition RSUs that were granted during the six June 30, 2021 six June 30, 2021 2021 Volatility 65.1 % Risk-free interest rate 0.3 % Correlation coefficient 35.7 % Dividend yield - % Earnings (Loss) Per Share Basic earnings (loss) per share is calculated by dividing net income (loss) by the number of weighted average shares of common stock 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 June 30, Six Months Ended June 30, (in thousands) 2021 2020 2021 2020 Basic 40,152 38,468 39,960 38,389 Dilutive effect of equity awards - - - - Diluted 40,152 38,468 39,960 38,389 The Company has excluded from the shares used in calculating the diluted earnings per common share options, restricted stock units and Market Condition RSUs totaling 4,389,966 and 5,727,716 as of June 30, 2021 2020

Note 9 - Long-term Debt

Note 9 - Long-term Debt	6 Months Ended
	Jun. 30, 2021
Notes to Financial Statements
Long-term Debt [Text Block]	9. Long-Term Debt As of June 30, 2021 December 31, 2020, June 30, December 31, (in thousands) 2021 2020 Long-term debt: Term loan $ 39,000 $ 40,000 Revolving line 5,400 9,400 Less: unamortized deferred financing costs (1,259 ) (1,393 ) Total debt 43,141 48,007 Less: current installments (2,500 ) (2,000 ) Current unamortized deferred financing costs 280 279 Long-term debt $ 40,921 $ 46,286 On December 22, 2020, none December 22, 2025. June 30, 2021, Borrowings under the Credit Facility will, at the option of the Company, bear interest at either (i) a rate per annum based on LIBOR for an interest period of one, two, three six no As of June 30, 2021, 3.0% three June 30, 2021 2020 six June 30, 2021 2020 Commencing on March 31, 2021, three eight ninety December 31, 2021 may for The Credit Agreement includes customary affirmative, negative, and financial covenants binding on the Company. The negative covenants limit the ability of the Company, among other things, to incur debt, incur liens, make investments, sell assets and pay dividends on its capital stock. The financial covenants include a maximum consolidated net leverage ratio and a minimum consolidated fixed charge coverage ratio. The Credit Agreement also includes customary events of default. 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.

Note 10 - Derivatives

Note 10 - Derivatives	6 Months Ended
	Jun. 30, 2021
Notes to Financial Statements
Derivative Instruments and Hedging Activities Disclosure [Text Block]	10. Derivatives The Company monitors interest rate risk attributable to both its outstanding and forecasted debt obligations by the use of cash flow sensitivity analysis which estimates the expected impact of changes in interest rates on the Company’s future cash flows. On January 31, 2018, January 1, 2023. December 22, 2020, 9. 815 The following table summarizes the effect of derivatives designated as cash flow hedging instruments and their classification within comprehensive loss for the three six June 30, 2020: Three Months Ended Six Months Ended (in thousands) June 30, 2020 June 30, 2020 Amount of loss recognized in OCT on derivatives (effective portion) $ (11 ) $ (227 ) Amounts reclassified from accumulated other comprehensive loss to interest expense 97 169 Total $ 86 $ (58 )

Note 11 - Revenues

Note 11 - Revenues	6 Months Ended
	Jun. 30, 2021
Notes to Financial Statements
Revenue from Contract with Customer [Text Block]	11. Revenues The following tables represent a disaggregation of revenue from contracts with customers for the three six June 30, 2021 2020: Three Months Ended June 30, Six Months Ended June 30, (in thousands) 2021 2020 2021 2020 Instruments, equipment, software and accessories $ 27,992 $ 22,069 $ 53,819 $ 45,006 Service, maintenance and warranty contracts 1,205 1,239 2,367 2,073 Total revenues $ 29,197 $ 23,308 $ 56,186 $ 47,079 The following tables represent a disaggregation of revenue by geographic destination for the three six June 30, 2021 2020: Three Months Ended June 30, Six Months Ended June 30, (in thousands) 2021 2020 2021 2020 United States $ 13,151 $ 9,341 $ 24,328 $ 19,271 Europe 8,026 6,340 16,615 13,983 Asia 5,695 5,554 11,233 9,976 Rest of the world 2,325 2,073 4,010 3,849 Total revenues $ 29,197 $ 23,308 $ 56,186 $ 47,079 No 10% three six June 30, 2021 2020. Deferred revenue Changes in deferred revenue from service contracts and advance payments from customers were as follows: Three Months Ended June 30, 2021 (in thousands) Service Contracts Customer Advances Total Balance at March 31, 2021 $ 1,712 $ 1,925 $ 3,637 Deferral of revenue 988 322 1,310 Recognition of deferred revenue (846 ) (433 ) (1,279 ) Effect of foreign currency translation 7 - 7 Balance at June 30, 2021 $ 1,861 $ 1,814 $ 3,675 Three Months Ended June 30, 2020 (in thousands) Service Contracts Customer Advances Total Balance at March 31, 2020 $ 1,410 $ 2,263 $ 3,673 Deferral of revenue 1,177 121 1,298 Recognition of deferred revenue (1,144 ) (145 ) (1,289 ) Effect of foreign currency translation (30 ) - (30 ) Balance at June 30, 2020 $ 1,413 $ 2,239 $ 3,652 Six Months Ended June 30, 2021 (in thousands) Service Contracts Customer Advances Total Balance at December 31, 2020 $ 1,629 $ 2,142 $ 3,771 Deferral of revenue 2,239 663 2,902 Recognition of deferred revenue (2,011 ) (991 ) (3,002 ) Effect of foreign currency translation 4 - 4 Balance at June 30, 2021 $ 1,861 $ 1,814 $ 3,675 Six Months Ended June 30, 2020 (in thousands) Service Contracts Customer Advances Total Balance at December 31, 2019 $ 1,587 $ 2,362 $ 3,949 Deferral of revenue 1,485 344 1,829 Recognition of deferred revenue (1,643 ) (467 ) (2,110 ) Effect of foreign currency translation (16 ) - (16 ) Balance at June 30, 2020 $ 1,413 $ 2,239 $ 3,652 Allowance for Doubtful Accounts Allowance for doubtful accounts is based on the Company’s assessment of the collectability of accounts receivable. A rollforward of the allowance for doubtful accounts is as follows: Six Months Ended June 30, (in thousands) 2021 2020 Balance, beginning of period $ 227 $ 325 Bad debt (credit) expense (17 ) 4 Charge-offs and other recoveries (62 ) (40 ) Effect of foreign currency translation (3 ) 1 Balance, end of period $ 145 $ 290

Note 12 - Income Tax

Note 12 - Income Tax	6 Months Ended
	Jun. 30, 2021
Notes to Financial Statements
Income Tax Disclosure [Text Block]	12. Income Tax Income tax (benefit) expense was $(0.2) million and $0.7 million for the three June 30, 2021 2020, six June 30, 2021 2020. three June 30, 2021 2020, six June 30, 2021 2020, The difference between the Company’s effective tax rates in 2021 2020 21%

Note 13 - Commitments and Conti

Note 13 - Commitments and Contingent Liabilities	6 Months Ended
	Jun. 30, 2021
Notes to Financial Statements
Commitments and Contingencies Disclosure [Text Block]	13. Commitments and Contingent Liabilities On April 14, 2017, 2013, third one two third 2012 2013. On October 1, 2019, January 6, 2020 January 29, 2020, June 2021, 2019 2020 June 9, 2021, August 3, 2021, no While the Company believes that claims made in this lawsuit are without merit and that there are strong grounds to vacate the sanctions, unless the sanctions award is vacated the Company could face a trial on damages. If the sanctions award is vacated, the Company will have the opportunity to contest the underlying claims at trial and, while there can be no not no not may The Company is involved in various other claims and legal proceedings arising in the ordinary course of business. After consultation with legal counsel, the Company has determined that the ultimate disposition of such proceedings is not not not one

Significant Accounting Policies

Significant Accounting Policies (Policies)	6 Months Ended
	Jun. 30, 2021
Accounting Policies [Abstract]
Basis of Accounting, Policy [Policy Text Block]	Basis of Presentation and Summary of Significant Accounting Policies The unaudited consolidated financial statements of Harvard Bioscience, Inc. and its wholly-owned subsidiaries (collectively, Harvard Bioscience or the Company) as of June 30, 2021 three six June 30, 2021 2020, December 31, 2020 not not 10 December 31, 2020. In the opinion of management, all adjustments, which include normal recurring adjustments necessary to present a fair statement of financial position as of June 30, 2021, three six June 30, 2021 2020, three six June 30, 2021 not The accounting policies underlying the accompanying unaudited consolidated financial statements are those set forth in Note 2 10 December 31, 2020. no three six June 30, 2021.
Risks and Uncertainties Policy [Policy Text Block]	Risks and Uncertainties On March 11, 2020, 19 19 19, second 2021. The global supply chain has experienced significant disruptions during the first 2021 19,

Note 3 - Goodwill and Intangi_2

Note 3 - Goodwill and Intangible Assets (Tables)	6 Months Ended
	Jun. 30, 2021
Notes Tables
Schedule of Goodwill [Table Text Block]	(in thousands) Carrying amount at December 31, 2020 $ 58,590 Effect of change in currency translation (166 ) Carrying amount at June 30, 2021 $ 58,424
Schedule of Intangible Assets and Goodwill [Table Text Block]	June 30, 2021 December 31, 2020 Weighted (in thousands) Amortizable intangible assets: Average Life* Gross Accumulated Amortization Net Gross Accumulated Amortization Net Distribution agreements/customer relationships 8.4 $ 18,039 $ (8,267 ) $ 9,772 $ 18,237 $ (7,746 ) $ 10,491 Existing technology 4.7 39,032 (22,403 ) 16,629 38,761 (20,674 ) 18,087 Trade names and patents 4.9 8,617 (4,756 ) 3,861 8,681 (4,362 ) 4,319 Total amortizable intangible assets $ 65,688 $ (35,426 ) $ 30,262 $ 65,679 $ (32,782 ) $ 32,897 Indefinite-lived intangible assets: 248 254 Total intangible assets $ 30,510 $ 33,151
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]	Amortization Year Ending December 31, Expense (in thousands) 2021 (remainder of year) $ 2,923 2022 5,814 2023 5,704 2024 5,398 2025 4,280 Thereafter 6,143 Total $ 30,262

Note 4 - Balance Sheet Inform_2

Note 4 - Balance Sheet Information (Tables)	6 Months Ended
	Jun. 30, 2021
Notes Tables
Schedule of Inventory, Current [Table Text Block]	Inventories: June 30, December 31, (in thousands) 2021 2020 Finished goods $ 5,434 $ 4,938 Work in process 3,758 3,513 Raw materials 15,517 13,811 Total $ 24,709 $ 22,262
Other Current Liabilities [Table Text Block]	Other Current Liabilities: June 30, December 31, (in thousands) 2021 2020 Compensation $ 3,409 3,715 Professional fees 815 432 Warranty costs 237 185 Customer related costs 1,120 1,093 Accrued income taxes 544 286 Other 1,698 1,767 Total $ 7,823 $ 7,478

Note 5 - Restructuring and Ot_2

Note 5 - Restructuring and Other Exit Costs (Tables)	6 Months Ended
	Jun. 30, 2021
Notes Tables
Restructuring and Related Costs [Table Text Block]	(in thousands) Severance Other Total Balance at December 31, 2020 $ 270 $ 18 $ 288 Restructuring and other exit costs 1,145 79 1,224 Non-cash charges - (41 ) (41 ) Cash payments (882 ) (45 ) (927 ) Balance at June 30, 2021 $ 533 $ 11 $ 544

Note 7 - Leases (Tables)

Note 7 - Leases (Tables)	6 Months Ended
	Jun. 30, 2021
Notes Tables
Lease, Cost [Table Text Block]	Three Months Ended June 30, Six Months Ended June 30 (in thousands) 2021 2020 2021 2020 Operating lease cost $ 506 $ 544 $ 1,023 $ 1,079 Short term lease cost 55 43 101 85 Sublease income (26 ) (25 ) (51 ) (132 ) Total lease cost $ 535 $ 562 $ 1,073 $ 1,032
Supplemental Cash Flow Information Related to Operating Leases [Table Text Block]	Six Months Ended June 30, (in thousands) 2021 2020 Cash paid for amounts included in the measurement of lease liabilities: $ 1,061 $ 1,381 Right of use assets obtained in exchange for lease obligations: $ 400 $ 387
Supplemental Balance Sheet Informaton Related to Operating Leases [Table Text Block]	(in thousands) June 30, 2021 December 31, 2020 Operating lease right-of use assets $ 7,241 $ 7,761 Current portion, operating lease liabilities $ 2,061 $ 2,111 Operating lease liabilities, long term 6,971 7,481 Total operating lease liabilities $ 9,032 $ 9,592 Weighted average remaining lease term (years) 7.1 7.4 Weighted average discount rate 9.3 % 9.3 %
Lessee, Operating Lease, Liability, Maturity [Table Text Block]	(in thousands) 2021 (remainder of year) $ 1,053 2022 2,044 2023 1,999 2024 1,732 2025 1,001 Thereafter 4,854 Total lease payments 12,683 Less imputed interest (3,651 ) Total operating lease liabilities $ 9,032

Note 8 - Capital Stock and St_2

Note 8 - Capital Stock and Stock-based Compensation (Tables)	6 Months Ended
	Jun. 30, 2021
Notes Tables
Schedule Of Stock Options And Restricted Stock Units Activity Roll forward [Table Text Block]	Stock Options Restricted Stock Units Market Condition RSU's Weighted Stock Average Restricted Market Options Exercise Stock Units Grant Date Condition RSU's Grant Date Outstanding Price Outstanding Fair Value Outstanding Fair Value Balance at December 31, 2020 2,637,339 $ 3.51 1,560,461 $ 2.44 813,031 2.12 Granted - - 793,968 4.65 293,509 4.61 Exercised (496,792 ) 3.76 - - - - Vested (RSUs) - - (539,417 ) 2.83 (163,218 ) 2.98 Cancelled/Forfeited (609,310 ) 4.28 (56,642 ) 3.64 (6,179 ) 2.98 Performance Factor Adjustment - - - - 163,216 2.98 Balance at June 30, 2021 1,531,237 $ 3.13 1,758,370 $ 3.28 1,100,359 $ 2.78
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]	Three Months Ended June 30, Six Months Ended June 30, (in thousands) 2021 2020 2021 2020 Cost of revenues $ 31 $ 14 $ 51 $ 24 Sales and marketing expenses 131 62 224 113 General and administrative expenses 969 645 1,803 1,341 Research and development expenses 33 48 54 84 Total stock-based compensation expenses $ 1,164 $ 769 $ 2,132 $ 1,562
Schedule of Weighted Average Number of Shares [Table Text Block]	Three Months Ended June 30, Six Months Ended June 30, (in thousands) 2021 2020 2021 2020 Basic 40,152 38,468 39,960 38,389 Dilutive effect of equity awards - - - - Diluted 40,152 38,468 39,960 38,389
Monte-Carlo Valuation Simulation [Member]
Notes Tables
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]	2021 Volatility 65.1 % Risk-free interest rate 0.3 % Correlation coefficient 35.7 % Dividend yield - %

Note 9 - Long-term Debt (Tables

Note 9 - Long-term Debt (Tables)	6 Months Ended
	Jun. 30, 2021
Notes Tables
Schedule of Debt [Table Text Block]	June 30, December 31, (in thousands) 2021 2020 Long-term debt: Term loan $ 39,000 $ 40,000 Revolving line 5,400 9,400 Less: unamortized deferred financing costs (1,259 ) (1,393 ) Total debt 43,141 48,007 Less: current installments (2,500 ) (2,000 ) Current unamortized deferred financing costs 280 279 Long-term debt $ 40,921 $ 46,286

Note 10 - Derivatives (Tables)

Note 10 - Derivatives (Tables)	6 Months Ended
	Jun. 30, 2021
Notes Tables
Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block]	Three Months Ended Six Months Ended (in thousands) June 30, 2020 June 30, 2020 Amount of loss recognized in OCT on derivatives (effective portion) $ (11 ) $ (227 ) Amounts reclassified from accumulated other comprehensive loss to interest expense 97 169 Total $ 86 $ (58 )

Note 11 - Revenues (Tables)

Note 11 - Revenues (Tables)	6 Months Ended
	Jun. 30, 2021
Notes Tables
Disaggregation of Revenue [Table Text Block]	Three Months Ended June 30, Six Months Ended June 30, (in thousands) 2021 2020 2021 2020 Instruments, equipment, software and accessories $ 27,992 $ 22,069 $ 53,819 $ 45,006 Service, maintenance and warranty contracts 1,205 1,239 2,367 2,073 Total revenues $ 29,197 $ 23,308 $ 56,186 $ 47,079
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]	Three Months Ended June 30, Six Months Ended June 30, (in thousands) 2021 2020 2021 2020 United States $ 13,151 $ 9,341 $ 24,328 $ 19,271 Europe 8,026 6,340 16,615 13,983 Asia 5,695 5,554 11,233 9,976 Rest of the world 2,325 2,073 4,010 3,849 Total revenues $ 29,197 $ 23,308 $ 56,186 $ 47,079
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]	Three Months Ended June 30, 2021 (in thousands) Service Contracts Customer Advances Total Balance at March 31, 2021 $ 1,712 $ 1,925 $ 3,637 Deferral of revenue 988 322 1,310 Recognition of deferred revenue (846 ) (433 ) (1,279 ) Effect of foreign currency translation 7 - 7 Balance at June 30, 2021 $ 1,861 $ 1,814 $ 3,675 Three Months Ended June 30, 2020 (in thousands) Service Contracts Customer Advances Total Balance at March 31, 2020 $ 1,410 $ 2,263 $ 3,673 Deferral of revenue 1,177 121 1,298 Recognition of deferred revenue (1,144 ) (145 ) (1,289 ) Effect of foreign currency translation (30 ) - (30 ) Balance at June 30, 2020 $ 1,413 $ 2,239 $ 3,652 Six Months Ended June 30, 2021 (in thousands) Service Contracts Customer Advances Total Balance at December 31, 2020 $ 1,629 $ 2,142 $ 3,771 Deferral of revenue 2,239 663 2,902 Recognition of deferred revenue (2,011 ) (991 ) (3,002 ) Effect of foreign currency translation 4 - 4 Balance at June 30, 2021 $ 1,861 $ 1,814 $ 3,675 Six Months Ended June 30, 2020 (in thousands) Service Contracts Customer Advances Total Balance at December 31, 2019 $ 1,587 $ 2,362 $ 3,949 Deferral of revenue 1,485 344 1,829 Recognition of deferred revenue (1,643 ) (467 ) (2,110 ) Effect of foreign currency translation (16 ) - (16 ) Balance at June 30, 2020 $ 1,413 $ 2,239 $ 3,652
Financing Receivable, Allowance for Credit Loss [Table Text Block]	Six Months Ended June 30, (in thousands) 2021 2020 Balance, beginning of period $ 227 $ 325 Bad debt (credit) expense (17 ) 4 Charge-offs and other recoveries (62 ) (40 ) Effect of foreign currency translation (3 ) 1 Balance, end of period $ 145 $ 290

Note 3 - Goodwill and Intangi_3

Note 3 - Goodwill and Intangible Assets (Details Textual) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Asset Impairment Charges, Total	$ 1.5	$ 1.5	$ 2.9	$ 2.9

Note 3 - Goodwill and Intangi_4

Note 3 - Goodwill and Intangible Assets - Change in Carrying Amount of Goodwill (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2021USD ($)
Carrying amount at December 31, 2020	$ 58,590
Effect of change in currency translation	(166)
Carrying amount at June 30, 2021	$ 58,424

Note 3 - Goodwill and Intangi_5

Note 3 - Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets, Gross		$ 65,688	$ 65,679
Total amortizable intangible assets		(35,426)	(32,782)
Finite-Lived Intangible Assets, Net		30,262	32,897
Indefinite-lived intangible assets:		248	254
Total intangible assets, Net		$ 30,510	33,151
Distribution Agreements/Customer Relationships [Member]
Finite-Lived Intangible Assets, Weighted Average Useful Life (Year)	[1]	8 years 4 months 24 days
Finite-Lived Intangible Assets, Gross		$ 18,039	18,237
Total amortizable intangible assets		(8,267)	(7,746)
Finite-Lived Intangible Assets, Net		$ 9,772	10,491
Existing Technology [Member]
Finite-Lived Intangible Assets, Weighted Average Useful Life (Year)	[1]	4 years 8 months 12 days
Finite-Lived Intangible Assets, Gross		$ 39,032	38,761
Total amortizable intangible assets		(22,403)	(20,674)
Finite-Lived Intangible Assets, Net		$ 16,629	18,087
Trade Names and Patents [Member]
Finite-Lived Intangible Assets, Weighted Average Useful Life (Year)	[1]	4 years 10 months 24 days
Finite-Lived Intangible Assets, Gross		$ 8,617	8,681
Total amortizable intangible assets		(4,756)	(4,362)
Finite-Lived Intangible Assets, Net		$ 3,861	$ 4,319
[1]	Weighted average life in years as of June 30, 2021

Note 3 - Goodwill and Intangi_6

Note 3 - Goodwill and Intangible Assets - Future Amortization Expense of Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
2021 (remainder of year)	$ 2,923
2022	5,814
2023	5,704
2024	5,398
2025	4,280
Thereafter	6,143
Total	$ 30,262	$ 32,897

Note 4 - Balance Sheet Inform_3

Note 4 - Balance Sheet Information - Inventories (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Finished goods	$ 5,434	$ 4,938
Work in process	3,758	3,513
Raw materials	15,517	13,811
Total	$ 24,709	$ 22,262

Note 4 - Balance Sheet Inform_4

Note 4 - Balance Sheet Information - Other Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Compensation	$ 3,409	$ 3,715
Professional fees	815	432
Warranty costs	237	185
Customer related costs	1,120	1,093
Accrued income taxes	544	286
Other	1,698	1,767
Total	$ 7,823	$ 7,478

Note 5 - Restructuring and Ot_3

Note 5 - Restructuring and Other Exit Costs (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Restructuring Charges, Total	$ 700	$ 700	$ 1,224	$ 1,600

Note 5 - Restructuring and Ot_4

Note 5 - Restructuring and Other Exit Costs - Restructuring and Other Exit Charges (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Balance			$ 288
Restructuring and other exit costs	$ 700	$ 700	1,224	$ 1,600
Non-cash charges			(41)
Cash payments			(927)
Balance	544		544
Employee Severance [Member]
Balance			270
Restructuring and other exit costs			1,145
Non-cash charges			0
Cash payments			(882)
Balance	533		533
Other Restructuring [Member]
Balance			18
Restructuring and other exit costs			79
Non-cash charges			(41)
Cash payments			(45)
Balance	$ 11		$ 11

Note 6 - Related Party Transa_2

Note 6 - Related Party Transactions (Details Textual) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
The Multi Channel Systems Facility and Triangle BioSystems Lease Agreements [Member]
Operating Lease, Expense	$ 0.1	$ 0.1	$ 0.2	$ 0.2

Note 7 - Leases - Lease Expense

Note 7 - Leases - Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Operating lease cost	$ 506	$ 544	$ 1,023	$ 1,079
Short term lease cost	55	43	101	85
Sublease income	(26)	(25)	(51)	(132)
Total lease cost	$ 535	$ 562	$ 1,073	$ 1,032

Note 7 - Leases - Supplemental

Note 7 - Leases - Supplemental Cash Flow Information Related to Operating Leases (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash paid for amounts included in the measurement of lease liabilities:	$ 1,061	$ 1,381
Right of use assets obtained in exchange for lease obligations:	$ 400	$ 387

Note 7 - Leases - Supplementa_2

Note 7 - Leases - Supplemental Balance Sheet Information Related to Operating Leases (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Operating lease right-of use assets	$ 7,241	$ 7,761
Current portion, operating lease liabilities	2,061	2,111
Operating lease liabilities, long term	6,971	7,481
Total operating lease liabilities	$ 9,032	$ 9,592
Weighted average remaining lease term (years) (Year)	7 years 1 month 6 days	7 years 4 months 24 days
Weighted average discount rate	9.30%	9.30%

Note 7 - Leases - Future Minimu

Note 7 - Leases - Future Minimum Lease Payments (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
2021 (remainder of year)	$ 1,053
2022	2,044
2023	1,999
2024	1,732
2025	1,001
Thereafter	4,854
Total lease payments	12,683
Less imputed interest	(3,651)
Total operating lease liabilities	$ 9,032	$ 9,592

Note 8 - Capital Stock and St_3

Note 8 - Capital Stock and Stock-based Compensation (Details Textual) - USD ($) $ / shares in Units, $ in Millions	May 04, 2021	Jun. 30, 2021	Jun. 30, 2020
Treasury Stock, Shares, Retired (in shares)	7,745,507
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total		$ 7
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)		2 years 2 months 12 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)		$ 4.61
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)		4,389,966	5,727,716

Note 8 - Capital Stock and St_4

Note 8 - Capital Stock and Stock-based Compensation - Stock Option and Restricted Stock Unit Activity (Details)	6 Months Ended
	Jun. 30, 2021$ / sharesshares
Opening Balance, Stock Options Outstanding (in shares) | shares	2,637,339
Options, Outstanding, Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 3.51
Options, Granted in Period (in shares) | shares	0
Options, Granted in Period, Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 0
Options, exercised (in shares) | shares	(496,792)
Options, exercised, weighted average exercise price (in dollars per share) | $ / shares	$ 3.76
Options, Cancelled / Forfeited in Period (in shares) | shares	(609,310)
Options, Cancelled / Forfeited, Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 4.28
Opening Balance, Stock Options Outstanding (in shares) | shares	1,531,237
Options, Outstanding, Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 3.13
Restricted Stock Units (RSUs) [Member]
Restricted Stock Units Outstanding , Balance (in shares) | shares	1,560,461
Restricted Stock Units Outstanding , Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 2.44
Restricted Stock Units, Granted in Period (in shares) | shares	793,968
Restricted Stock Units Granted , Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 4.65
Restricted Stock Units, Vested in Period (in shares) | shares	(539,417)
Restricted Stock Units, Vested , Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 2.83
Restricted Stock Units, Cancelled / Forfeited in Period (in shares) | shares	(56,642)
Restricted Stock Units, Cancelled/ Forfeited , Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 3.64
Performance Factor Adjustment (in shares) | shares	0
Performance Factor Adjustment (in dollars per share) | $ / shares	$ 0
Restricted Stock Units Outstanding , Balance (in shares) | shares	1,758,370
Restricted Stock Units Outstanding , Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 3.28
Market Condition Restricted Stock Units [Member]
Restricted Stock Units Outstanding , Balance (in shares) | shares	813,031
Restricted Stock Units Outstanding , Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 2.12
Restricted Stock Units, Granted in Period (in shares) | shares	293,509
Restricted Stock Units Granted , Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 4.61
Restricted Stock Units, Vested in Period (in shares) | shares	(163,218)
Restricted Stock Units, Vested , Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 2.98
Restricted Stock Units, Cancelled / Forfeited in Period (in shares) | shares	(6,179)
Restricted Stock Units, Cancelled/ Forfeited , Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 2.98
Performance Factor Adjustment (in shares) | shares	163,216
Performance Factor Adjustment (in dollars per share) | $ / shares	$ 2.98
Restricted Stock Units Outstanding , Balance (in shares) | shares	1,100,359
Restricted Stock Units Outstanding , Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 2.78

Note 8 - Capital Stock and St_5

Note 8 - Capital Stock and Stock-based Compensation - Stock-based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Share-based compensation	$ 1,164	$ 769	$ 2,132	$ 1,562
Continuing Operations [Member] | Cost of Sales [Member]
Share-based compensation	31	14	51	24
Continuing Operations [Member] | Selling and Marketing Expense [Member]
Share-based compensation	131	62	224	113
Continuing Operations [Member] | General and Administrative Expense [Member]
Share-based compensation	969	645	1,803	1,341
Continuing Operations [Member] | Research and Development Expense [Member]
Share-based compensation	$ 33	$ 48	$ 54	$ 84

Note 8 - Capital Stock and St_6

Note 8 - Capital Stock and Stock-based Compensation - Monte Carlo Assumptions (Details) - Monte-Carlo Valuation Simulation [Member]	6 Months Ended
	Jun. 30, 2021
Volatility	65.10%
Risk-free interest rate	0.30%
Correlation coefficient	35.70%
Dividend yield	0.00%

Note 8 - Capital Stock and St_7

Note 8 - Capital Stock and Stock-based Compensation - Weighted Average Number of Shares (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Basic (in shares)	40,152	38,468	39,960	38,389
Dilutive effect of equity awards (in shares)	0	0	0	0
Diluted (in shares)	40,152	38,468	39,960	38,389

Note 9 - Long-term Debt (Detail

Note 9 - Long-term Debt (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020	Mar. 31, 2021	Dec. 22, 2020
Debt Issuance Costs, Net, Total	$ 1,259		$ 1,259		$ 1,393
The Credit Agreement [Member]
Debt Issuance Costs, Net, Total							$ 1,400
Line of Credit Facility, Interest Rate During Period	3.40%	9.80%	3.30%	9.60%
Debt Instrument, Quarterly Payment, Current Year						$ 500
Debt Instrument Quarterly Payment Next Eight Years						750
Debt Instrument, Quarterly Payment, Thereafter						$ 1,000
Percentage of Consolidated Excess Cash Flow						50.00%
Debt, Weighted Average Interest Rate	3.00%		3.00%
The Credit Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Interest Rate, State Floor Percentage					0.50%
The Credit Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate					3.25%
The Credit Agreement [Member] | Base Rate [Member]
Debt Instrument, Interest Rate, State Floor Percentage					1.00%
The Credit Agreement [Member] | The ABR Loan [Member] | Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate					1.50%
The Credit Agreement [Member] | The ABR Loan [Member] | Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate					3.00%
The Credit Agreement [Member] | Revolving Credit Facility [Member]
Line of Credit Facility, Remaining Borrowing Capacity	$ 19,600		$ 19,600
Term Loan [Member]
Long-term Debt, Gross	$ 39,000		$ 39,000		$ 40,000
The LIBOR Loan and Pricing Grid Credit Agreement [Member] | The Credit Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate					2.00%
The Lenders [Member] | The Credit Agreement [Member] | Letter of Credit [Member]
Line of Credit Facility, Maximum Borrowing Capacity							10,000
The Lenders [Member] | The Credit Agreement [Member] | Swingline Loan Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity							10,000
The Lenders [Member] | Term Loan [Member] | The Credit Agreement [Member]
Long-term Debt, Gross							40,000
Line of Credit Facility, Maximum Borrowing Capacity							$ 25,000

Note 9 - Long-term Debt - Break

Note 9 - Long-term Debt - Breakdown of Borrowings (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Less: unamortized deferred financing costs	$ (1,259)	$ (1,393)
Total debt	43,141	48,007
Less: current installments	(2,500)	(2,000)
Current unamortized deferred financing costs	280	279
Long-term debt	40,921	46,286
Term Loan [Member]
Long-term debt, gross	39,000	40,000
Line of Credit [Member]
Long-term debt, gross	$ 5,400	$ 9,400

Note 10 - Derivatives (Details

Note 10 - Derivatives (Details Textual) - Interest Rate Swap [Member] $ in Millions	Jan. 31, 2018USD ($)
London Interbank Offered Rate (LIBOR) [Member]
Derivative, Fixed Interest Rate	2.72%
PNC Bank [Member]
Derivative Asset, Notional Amount	$ 36

Note 10 - Derivatives - Effect

Note 10 - Derivatives - Effect of Derivatives on AOCI (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Amount of loss recognized in OCT on derivatives (effective portion)		$ (11)		$ (227)
Amounts reclassified from accumulated other comprehensive loss to interest expense		97		169
Total	$ 0	$ 86	$ 0	$ (58)

Note 11 - Revenues - Disaggrega

Note 11 - Revenues - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues	$ 29,197	$ 23,308	$ 56,186	$ 47,079
Instruments, Equipment, Software, and Accessories [Member]
Revenues	27,992	22,069	53,819	45,006
Service, Maintenance, and Warranty Contracts [Member]
Revenues	$ 1,205	$ 1,239	$ 2,367	$ 2,073

Note 11 - Revenues - Revenue by

Note 11 - Revenues - Revenue by Geographic Destination (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues	$ 29,197	$ 23,308	$ 56,186	$ 47,079
UNITED STATES
Revenues	13,151	9,341	24,328	19,271
Europe [Member]
Revenues	8,026	6,340	16,615	13,983
Asia [Member]
Revenues	5,695	5,554	11,233	9,976
Rest of the World [Member]
Revenues	$ 2,325	$ 2,073	$ 4,010	$ 3,849

Note 11 - Revenues - Changes in

Note 11 - Revenues - Changes in Deferred Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Balance	$ 3,637	$ 3,673	$ 3,771	$ 3,949
Deferral of revenue	1,310	1,298	2,902	1,829
Recognition of deferred revenue	(1,279)	(1,289)	(3,002)	(2,110)
Effect of foreign currency translation	7	(30)	4	(16)
Balance	3,675	3,652	3,675	3,652
Service [Member]
Balance	1,712	1,410	1,629	1,587
Deferral of revenue	988	1,177	2,239	1,485
Recognition of deferred revenue	(846)	(1,144)	(2,011)	(1,643)
Effect of foreign currency translation	7	(30)	4	(16)
Balance	1,861	1,413	1,861	1,413
Customer Advances [Member]
Balance	1,925	2,263	2,142	2,362
Deferral of revenue	322	121	663	344
Recognition of deferred revenue	(433)	(145)	(991)	(467)
Effect of foreign currency translation	0	0	0	0
Balance	$ 1,814	$ 2,239	$ 1,814	$ 2,239

Note 11 - Revenues - Allowance

Note 11 - Revenues - Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Balance, beginning of period	$ 227	$ 325
Bad debt (credit) expense	(17)	4
Charge-offs and other recoveries	(62)	(40)
Effect of foreign currency translation	(3)	1
Balance, end of period	$ 145	$ 290

Note 12 - Income Tax (Details T

Note 12 - Income Tax (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Tax Expense (Benefit), Total	$ (222)	$ 713	$ (237)	$ 768
Effective Income Tax Rate Reconciliation, Percent, Total	35.10%	(82.10%)	18.00%	(14.40%)