inTEST (INTT) 10-Q 12 Nov 20 2020 Q3 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2020	Oct. 31, 2020
Document Information [Line Items]
Entity Registrant Name	INTEST CORP
Entity Central Index Key	0001036262
Trading Symbol	intt
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Current Reporting Status	Yes
Entity Emerging Growth Company	false
Entity Small Business	true
Entity Interactive Data Current	Yes
Entity Common Stock, Shares Outstanding (in shares)		10,529,123
Entity Shell Company	false
Document Type	10-Q
Document Period End Date	Sep. 30, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Amendment Flag	false
Title of 12(b) Security	Common Stock, par value $0.01 per share

Consolidated Balance Sheets (Cu

Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 9,473	$ 7,612
Trade accounts receivable, net of allowance for doubtful accounts of $211 and $211, respectively	9,533	9,296
Inventories	6,924	7,182
Prepaid expenses and other current assets	712	805
Total current assets	26,642	24,895
Property and equipment:
Machinery and equipment	5,531	5,269
Leasehold improvements	2,628	2,424
Gross property and equipment	8,159	7,693
Less: accumulated depreciation	(5,742)	(5,273)
Net property and equipment	2,417	2,420
Right-of-use assets, net	7,094	4,842
Goodwill	13,738	13,738
Intangible assets, net	12,727	13,654
Restricted certificates of deposit	140	140
Other assets	31	26
Total assets	62,789	59,715
Current liabilities:
Accounts payable	2,203	1,984
Accrued wages and benefits	2,028	2,007
Accrued professional fees	852	805
Customer deposits and deferred revenue	1,392	456
Accrued sales commissions	441	442
Current portion of operating lease liabilities	1,299	1,302
Domestic and foreign income taxes payable	631	868
Other current liabilities	438	497
Total current liabilities	9,284	8,361
Operating lease liabilities, net of current portion	6,049	3,794
Deferred tax liabilities	2,182	2,263
Other liabilities	451	463
Total liabilities	17,966	14,881
Commitments and Contingencies
Stockholders' equity:
Preferred stock, $0.01 par value; 5,000,000 shares authorized; no shares issued or outstanding
Common stock, $0.01 par value; 20,000,000 shares authorized; 10,562,200 and 10,413,982 shares issued, respectively	106	104
Additional paid-in capital	26,660	26,256
Retained earnings	17,490	18,005
Accumulated other comprehensive earnings	771	673
Treasury stock, at cost; 33,077 shares	(204)	(204)
Total stockholders' equity	44,823	44,834
Total liabilities and stockholders' equity	$ 62,789	$ 59,715

Consolidated Balance Sheets (_2

Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Allowance for doubtful accounts	$ 211	$ 211
Preferred stock par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	20,000,000	20,000,000
Common stock, shares issued (in shares)	10,562,200	10,413,982
Treasury stock, shares (in shares)	33,077	33,077

Consolidated Statements of Oper

Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net revenues	$ 14,443	$ 14,632	$ 38,948	$ 47,046
Cost of revenues	7,993	7,427	21,564	24,286
Gross margin	6,450	7,205	17,384	22,760
Operating expenses:
Selling expense	1,747	2,044	5,560	6,505
Engineering and product development expense	1,316	1,261	3,825	3,753
General and administrative expense	2,960	3,094	8,732	10,549
Total operating expenses	6,023	6,399	18,117	20,807
Operating income (loss)	427	806	(733)	1,953
Other income (loss)	6	(12)	(44)	3
Earnings (loss) before income tax expense (benefit)	433	794	(777)	1,956
Income tax expense (benefit)	(25)	147	(262)	358
Net earnings (loss)	$ 458	$ 647	$ (515)	$ 1,598
Net earnings (loss) per common share - basic (in dollars per share)	$ 0.04	$ 0.06	$ (0.05)	$ 0.15
Weighted average common shares outstanding - basic (in shares)	10,269,995	10,421,383	10,247,779	10,405,892
Net earnings (loss) per common share - diluted (in dollars per share)	$ 0.04	$ 0.06	$ (0.05)	$ 0.15
Weighted average common shares and common share equivalents outstanding - diluted (in shares)	10,287,562	10,429,536	10,247,779	10,423,121

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Earnings (Loss) Unaudited - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net earnings (loss)	$ 458	$ 647	$ (515)	$ 1,598
Foreign currency translation adjustments	101	(144)	98	(168)
Comprehensive earnings (loss)	$ 559	$ 503	$ (417)	$ 1,430

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, 2018	10,523,035
Balance at Dec. 31, 2018	$ 105	$ 26,513	$ 15,683	$ 783	$ (204)	$ 42,880
Net earnings (loss)			1,138			1,138
Other comprehensive earnings (loss)				(83)		(83)
Amortization of deferred compensation related to stock-based awards		183				183
Issuance of unvested shares of restricted stock (in shares)	80,300
Issuance of unvested shares of restricted stock	$ 1
Issuance of unvested shares of restricted stock		(1)
Balance (in shares) at Mar. 31, 2019	10,603,335
Balance at Mar. 31, 2019	$ 106	26,695	16,821	700	(204)	44,118
Balance (in shares) at Dec. 31, 2018	10,523,035
Balance at Dec. 31, 2018	$ 105	26,513	15,683	783	(204)	42,880
Net earnings (loss)						1,598
Balance (in shares) at Sep. 30, 2019	10,604,132
Balance at Sep. 30, 2019	$ 106	26,971	17,281	615	(204)	44,769
Balance (in shares) at Mar. 31, 2019	10,603,335
Balance at Mar. 31, 2019	$ 106	26,695	16,821	700	(204)	44,118
Net earnings (loss)			(187)			(187)
Other comprehensive earnings (loss)				59		59
Amortization of deferred compensation related to stock-based awards		213				213
Issuance of unvested shares of restricted stock (in shares)	35,380
Issuance of unvested shares of restricted stock
Forfeiture of unvested shares of restricted stock (in shares)	(12,325)
Balance (in shares) at Jun. 30, 2019	10,626,390
Balance at Jun. 30, 2019	$ 106	26,908	16,634	759	(204)	44,203
Net earnings (loss)			647			647
Other comprehensive earnings (loss)				(144)		(144)
Amortization of deferred compensation related to stock-based awards		242				242
Issuance of unvested shares of restricted stock (in shares)	16,900
Issuance of unvested shares of restricted stock
Repurchase and retirement of common stock (in shares)	(39,158)
Repurchase and retirement of common stock		(179)				(179)
Balance (in shares) at Sep. 30, 2019	10,604,132
Balance at Sep. 30, 2019	$ 106	26,971	17,281	615	(204)	$ 44,769
Balance (in shares) at Dec. 31, 2019	10,413,982					10,413,982
Balance at Dec. 31, 2019	$ 104	26,256	18,005	673	(204)	$ 44,834
Net earnings (loss)			(1,143)			(1,143)
Other comprehensive earnings (loss)				(38)		(38)
Amortization of deferred compensation related to stock-based awards		187				187
Issuance of unvested shares of restricted stock (in shares)	58,160
Issuance of unvested shares of restricted stock	$ 1
Issuance of unvested shares of restricted stock		(1)
Forfeiture of unvested shares of restricted stock (in shares)	(8,315)
Repurchase and retirement of common stock (in shares)	(13,767)					(13,767)
Repurchase and retirement of common stock		(74)				$ (74)
Balance (in shares) at Mar. 31, 2020	10,450,060
Balance at Mar. 31, 2020	$ 105	26,368	16,862	635	(204)	$ 43,766
Balance (in shares) at Dec. 31, 2019	10,413,982					10,413,982
Balance at Dec. 31, 2019	$ 104	26,256	18,005	673	(204)	$ 44,834
Net earnings (loss)						$ (515)
Balance (in shares) at Sep. 30, 2020	10,562,200					10,562,200
Balance at Sep. 30, 2020	$ 106	26,660	17,490	771	(204)	$ 44,823
Balance (in shares) at Mar. 31, 2020	10,450,060
Balance at Mar. 31, 2020	$ 105	26,368	16,862	635	(204)	43,766
Net earnings (loss)			170			170
Other comprehensive earnings (loss)				35		35
Amortization of deferred compensation related to stock-based awards		208				208
Issuance of unvested shares of restricted stock (in shares)	15,840
Issuance of unvested shares of restricted stock
Forfeiture of unvested shares of restricted stock (in shares)	(6,750)
Balance (in shares) at Jun. 30, 2020	10,459,150
Balance at Jun. 30, 2020	$ 105	26,576	17,032	670	(204)	44,179
Net earnings (loss)			458			458
Other comprehensive earnings (loss)				101		101
Amortization of deferred compensation related to stock-based awards		85				85
Issuance of unvested shares of restricted stock (in shares)	155,110
Issuance of unvested shares of restricted stock	$ 2	(2)
Forfeiture of unvested shares of restricted stock (in shares)	(52,060)
Forfeiture of unvested shares of restricted stock	$ (1)
Forfeiture of unvested shares of restricted stock		1
Balance (in shares) at Sep. 30, 2020	10,562,200					10,562,200
Balance at Sep. 30, 2020	$ 106	$ 26,660	$ 17,490	$ 771	$ (204)	$ 44,823

Consolidated Statements of Cash

Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings (loss)	$ (515)	$ 1,598
Adjustments to reconcile net earnings (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	2,378	2,431
Payment of earnout for 2018 related to Ambrell acquisition		(12,167)
Provision for excess and obsolete inventory	410	341
Foreign exchange loss	33	37
Amortization of deferred compensation related to stock-based awards	480	638
Loss on disposal of property and equipment	2	17
Proceeds from sale of demonstration equipment, net of gain	54	138
Deferred income tax benefit	(81)	(307)
Changes in assets and liabilities:
Trade accounts receivable	(237)	1,254
Inventories	(146)	(1,551)
Prepaid expenses and other current assets	95	(235)
Restricted certificates of deposit		35
Other assets	(5)
Accounts payable	215	943
Accrued wages and benefits	18	(969)
Accrued professional fees	47	192
Customer deposits and deferred revenue	936	(509)
Accrued sales commissions	(2)	(257)
Operating lease liabilities	(977)	(1,059)
Domestic and foreign income taxes payable	(240)	171
Other current liabilities	(60)	(135)
Other liabilities	(5)	263
Net cash provided by (used in) operating activities	2,400	(9,131)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property and equipment	(520)	(413)
Net cash used in investing activities	(520)	(413)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from Paycheck Protection Program loans	2,829
Repayments of Paycheck Protection Program loans	(2,829)
Proceeds from revolving credit facility	2,800
Repayments of revolving credit facility	(2,800)
Repurchases of common stock	(74)	(179)
Net cash used in financing activities	(74)	(179)
Effects of exchange rates on cash	55	(113)
Net cash provided by (used in) all activities	1,861	(9,836)
Cash and cash equivalents at beginning of period	7,612	17,861
Cash and cash equivalents at end of period	9,473	8,025
Cash payments for:
Domestic and foreign income taxes	$ 58	$ 488

Note 1 - Nature of Operations

Note 1 - Nature of Operations	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Nature of Operations [Text Block]	( 1 NATURE OF OPERATIONS We are a global supplier of precision-engineered solutions for use in manufacturing and testing across a wide range of markets including automotive, defense/aerospace, energy, industrial, semiconductor and telecommunications. We manage our business as two Our EMS segment sells its products to semiconductor manufacturers and third third May 2017, Both of our operating segments have multiple products that we design, manufacture and market to our customers. Due to a number of factors, our products have varying levels of gross margin. The mix of products we sell in any period is ultimately determined by our customers' needs. Therefore, the mix of products sold in any given period can change significantly from the prior period. As a result, our consolidated gross margin can be significantly impacted in any given period by a change in the mix of products sold in that period. second 2019, not may may may not may not may not may COVID- 19 Our business has been, and will continue to be, adversely affected by the ongoing COVID- 19 19 March 17, 2020, 19 19 Although our net revenues from all of the markets we serve have been significantly affected by COVID- 19, 19 2019. 2020 2019, first first nine 2020 $515. first nine 2020 $19,256 $24,878 first nine 2019. first 2020, 19, 19 second 2020, not third 2020. not no 19 not one may 19 8% 10% third 2020, 19 may 2019, 19 three March two April. 9, April 10, 2020, $7,500 19. As of the date of the filing of this report, all of our facilities are open, although a significant number of our employees are working remotely as discussed below. As discussed further in Note 3, fourth 2020. not 19 not may may may not 2020, Generally, global supply chains and the timely availability of products have been, and will continue to be, materially disrupted by quarantines, factory slowdowns or shutdowns, border closings and travel restrictions resulting from COVID- 19. may no not We have implemented workplace safeguards designed to protect the health and well-being of our employees. A significant number of employees have been authorized to work from home and have been provided with the tools and technology necessary to do so. However, the process of working remotely may not no one 19 may may The duration of any business disruption and related financial impact cannot be reasonably estimated at this time but may 19 may may 19 19 19

Note 2 - Summary of Significant

Note 2 - Summary of Significant Accounting Policies	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Significant Accounting Policies [Text Block]	( 2 SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Basis of Presentation and Use of Estimates In the opinion of management, the accompanying unaudited consolidated financial statements include all adjustments (consisting only of normal recurring adjustments) necessary to present fairly the financial position, results of operations, and changes in cash flows for the interim periods presented. Certain footnote information has been condensed or omitted from these consolidated financial statements. Therefore, these consolidated financial statements should be read in conjunction with the consolidated financial statements and accompanying footnotes included in our Form 10 December 31, 2019 ( “2019 10 March 23, 2020 Reclassification Subsequent Events no nine September 30, 2020 1 19 3. Business Combinations third Restructuring and Other Charges In accordance with the guidance in Accounting Standards Codification (“ASC”) Topic 420 may may may 842 360 350 Goodwill, Intangible and Long-Lived Assets 350. fourth may not not not not not The quantitative goodwill impairment test compares the fair value of a reporting unit with its carrying amount, including goodwill. If the fair value of a reporting unit exceeds its carrying amount, goodwill of the reporting unit is considered not Indefinite-lived intangible assets are assessed for impairment annually in the fourth not not no Long-lived assets, which consist of finite-lived intangible assets and property and equipment, are assessed for impairment whenever events or changes in business circumstances indicate that the carrying amount of the assets may not no Revenue Recognition 606 may Revenue is recorded in an amount that reflects the consideration we expect to receive in exchange for those products or services. We do not 30 90 not Nature of Products and Services We are a global supplier of precision-engineered solutions for use in manufacturing and testing across a wide range of markets including automotive, defense/aerospace, energy, industrial, semiconductor and telecommunications. We sell thermal management products including ThermoStreams, ThermoChambers and process chillers, which we sell under our Temptronic, Sigma and Thermonics product lines, and Ambrell's precision induction heating systems, including EKOHEAT and EASYHEAT products. We sell semiconductor ATE interface solutions which include manipulators, docking hardware and electrical interface products. We provide post-warranty service and support for the equipment we sell. We sell semiconductor ATE interface solutions and certain thermal management products to the Semi Market. We also sell our thermal management products to various other markets including the automotive, defense/aerospace, energy, industrial and telecommunications markets. We lease certain of our equipment under short-term leasing agreements with original lease terms of six not Types of Contracts with Customers Our contracts with customers are generally structured as individual purchase orders which specify the exact products or services being sold or equipment being leased along with the selling price, service fee or monthly lease amount for each individual item on the purchase order. Payment terms and any other customer-specific acceptance criteria are also specified on the purchase order. We generally do not Contract Balances We record accounts receivable at the time of invoicing. Accounts receivable, net of the allowance for doubtful accounts, is included in current assets on our balance sheet. To the extent that we do not The allowance for doubtful accounts reflects our best estimate of probable losses inherent in the accounts receivable balance. We determine the allowance based on known troubled accounts, if any, historical experience, and other currently available evidence. Costs to Obtain a Contract with a Customer The only costs we incur associated with obtaining contracts with customers are sales commissions that we pay to our internal sales personnel or third third not Product Warranties In connection with the sale of our products, we generally provide standard one two not not See Notes 5 13 Inventories first first not not twelve three Leases We account for leases in accordance with ASC Topic 842 January 1, 2019. 842, not 842. not not not 842 none 842 not may not not 842. not ROU assets represent our right to use an underlying asset for the lease term and lease liabilities represent our 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. None may not We have lease agreements which contain both lease and non-lease components, which are generally accounted for separately. In addition to the monthly rental payments due, most of our leases for our offices and warehouse facilities include non-lease components representing our portion of the common area maintenance, property taxes and insurance charges incurred by the landlord for the facilities which we occupy. These amounts are not We have made an accounting policy election not 842 one 8 Contingent Liability for Repayment of State and Local Grant Proceeds In connection with leasing a new facility in Rochester, New York, which our subsidiary, Ambrell, occupied in May 2018, $463 2023. may September 30, 2020, $423 not no $32 September 30, 2020. As of December 31, 2019, not December 31, 2019. September 30, 2020, not December 31, 2020 December 31, 2019. not may Stock-Based Compensation 718 10. Income Taxes not not Net Earnings (Loss) Per Common Share Three Months Ended Nine Months Ended 2020 2019 2020 2019 Weighted average common shares outstanding - basic 10,269,995 10,421,383 10,247,779 10,405,892 Potentially dilutive securities: Unvested shares of restricted stock and employee stock options 17,567 8,153 - 17,229 Weighted average common shares and common share equivalents outstanding - diluted 10,287,562 10,429,536 10,247,779 10,423,121 Average number of potentially dilutive securities excluded from calculation 631,392 657,969 722,538 501,964 Effect of Recently Issued Amendments to Authoritative Accounting Guidance In June 2016, November 2019, December 15, 2022. first January 1, 2023. In December 2019, 740 January 1, 2021. January 1, 2021. not

Note 3 - Restructuring and Othe

Note 3 - Restructuring and Other Charges	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Restructuring, Impairment, and Other Activities Disclosure [Text Block]	( 3 RESTRUCTURING AND OTHER CHARGES EMS Segment Restructuring and Facility Consolidation On September 21, 2020, fourth 2020. As a result of this action, we expect to incur cash charges for severance and other one $50 $100. $300 $400. fourth 2020. September 30, 2020 $14. fourth 2020 first 2021. not $700 $800. fourth 2020 September 30, 2020, $1,174. Changes in the amount of the liability for accrued restructuring for the nine September 30, 2020 Balance - January 1, 2020 $ - Accruals for other associated costs 14 Cash payments (14 ) Balance September 30, 2020 $ - Executive Management Changes On August 6, 2020, August 6, 2020 three three 10.1 8 “8 August 11, 2020 On August 6, 2020, August 24, 2020 ( August 6, 2020 10.2 8 August 11, 2020 Total costs incurred during the nine September 30, 2020 $495, $224 $128 $143 $117 nine September 30, 2020. $20 fourth 2020 $100 $200 fourth 2020 September 30, 2020, $242. not December 31, 2020.

Note 4 - Goodwill and Intangibl

Note 4 - Goodwill and Intangible Assets	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Goodwill and Intangible Assets Disclosure [Text Block]	( 4 GOODWILL AND INTANGIBLE ASSETS Goodwill and intangible assets on our balance sheets are the result of our acquisitions of Sigma Systems Corp. ("Sigma") in October 2008, January 2012 May 2017. Goodwill Goodwill totaled $13,738 September 30, 2020 December 31, 2019 Sigma $ 1,656 Thermonics 50 Ambrell 12,032 Total $ 13,738 Intangible Assets nine September 30, 2020 Balance - January 1, 2020 $ 6,944 Amortization (927 ) Balance September 30, 2020 $ 6,017 The following tables provide further detail about our intangible assets as of September 30, 2020 December 31, 2019: September 30, 2020 Gross Accumulated Amortization Net Finite-lived intangible assets: Customer relationships $ 10,480 $ 4,633 $ 5,847 Technology 600 457 143 Patents 590 563 27 Software 270 270 - Trade name 140 140 - Total finite-lived intangible assets 12,080 6,063 6,017 Indefinite-lived intangible assets: Trademarks 6,710 - 6,710 Total intangible assets $ 18,790 $ 6,063 $ 12,727 December 31, 2019 Gross Carrying Amount Accumulated Amortization Net Amount Finite-lived intangible assets: Customer relationships $ 10,480 $ 3,805 $ 6,675 Technology 600 380 220 Patents 590 541 49 Software 270 270 - Trade name 140 140 - Total finite-lived intangible assets 12,080 5,136 6,944 Indefinite-lived intangible assets: Trademarks 6,710 - 6,710 Total intangible assets $ 18,790 $ 5,136 $ 13,654 We generally amortize our finite-lived intangible assets over their estimated useful lives on a straight-line basis, unless an alternate amortization method can be reliably determined. Any such alternate amortization method would be based on the pattern in which the economic benefits of the intangible asset are expected to be consumed. None Total amortization expense for our finite-lived intangible assets was $307 $927 three nine September 30, 2020, $312 $944 three nine September 30, 2019, five 2020 (remainder) $ 307 2021 $ 1,226 2022 $ 1,167 2023 $ 1,067 2024 $ 980 Assessment for Impairment of Goodwill and Long-Lived Assets As discussed in Note 2, fourth may may not no 19 not September 30, 2020. not not not no not September 30, 2020. fourth 2020, 19 may 2021. no not not may 9.

Note 5 - Revenue From Contracts

Note 5 - Revenue From Contracts With Customers	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Revenue from Contract with Customer [Text Block]	( 5 REVENUE FROM CONTRACTS WITH CUSTOMERS The following tables provide additional information about our revenue from contracts with customers, including revenue by customer and product type and revenue by market. See also Note 13 Three Months Ended Nine Months Ended 2020 2019 2020 2019 Net revenues by customer type: End user $ 12,651 $ 13,167 $ 34,518 $ 42,310 OEM/Integrator 1,792 1,465 4,430 4,736 $ 14,443 $ 14,632 $ 38,948 $ 47,046 Net revenues by product type: Thermal test $ 3,632 $ 4,568 $ 11,482 $ 13,817 Thermal process 5,574 4,635 13,885 15,303 Semiconductor test 3,604 3,841 9,093 12,734 Service/other 1,633 1,588 4,488 5,192 $ 14,443 $ 14,632 $ 38,948 $ 47,046 Net revenues by market: Semi Market $ 7,387 $ 7,126 $ 19,256 $ 24,878 Industrial 4,220 5,758 12,346 15,983 Defense/aerospace 2,015 153 4,919 1,437 Telecommunications 419 1,377 1,427 3,509 Other Multi Markets 402 218 1,000 1,239 $ 14,443 $ 14,632 $ 38,948 $ 47,046 There was no nine September 30, 2020.

Note 6 - Major Customers

Note 6 - Major Customers	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Concentration Risk Disclosure [Text Block]	( 6 MAJOR CUSTOMERS During the nine September 30, 2020, no 10% nine September 30, 2019, 11% No 10% nine September 30, 2019.

Note 7 - Inventories

Note 7 - Inventories	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Inventory Disclosure [Text Block]	( 7 INVENTORIES Inventories held at September 30, 2020 December 31, 2019 September 30, December 31, Raw materials $ 4,800 $ 5,369 Work in process 1,042 949 Inventory consigned to others 49 54 Finished goods 1,033 810 Total inventories $ 6,924 $ 7,182 Total charges incurred for excess and obsolete inventory for the three nine September 30, 2020 2019, Three Months Ended Nine Months Ended 2020 2019 2020 2019 Excess and obsolete inventory charges $ 105 $ 98 $ 410 $ 341

Note 8 - Leases

Note 8 - Leases	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Lessee, Operating Leases [Text Block]	( 8 LEASES We lease our offices, warehouse facilities and certain equipment under non-cancellable operating leases which expire at various dates through 2031. three nine September 30, 2020 2019 Three Months Ended Nine Months Ended 2020 2019 2020 2019 Operating lease cost $ 393 $ 370 $ 1,174 $ 1,106 Short-term lease cost $ 13 $ 12 $ 35 $ 39 The following is additional information about our leases as of September 30, 2020: Range of remaining lease terms (in years) 0.3 to 10.0 Weighted average remaining lease term (in years) 6.6 Weighted average discount rate 4.4% Maturities of lease liabilities as of September 30, 2020 2020 (remainder) $ 378 2021 1,407 2022 1,321 2023 1,341 2024 1,377 Thereafter 2,566 Total lease payments $ 8,390 Less imputed interest (1,042 ) Total $ 7,348 Supplemental Cash Flow Information Total amortization of ROU assets was $324 $977 three nine September 30, 2020, $351 $952 three nine September 30, 2019, Non-cash increases in operating lease liabilities and ROU assets as a result of lease modifications for the nine September 30, 2020 Modification to lease for facility in Fremont, California $ 1,176 Modification to lease for facility in Mt. Laurel, New Jersey $ 2,051 On January 23, 2020, 61 November 1, 2020 November 30, 2025. $1,176. On September 22, 2020, 120 May 1, 2021. May 1, 2021, 33,650 $2,051. Non-cash increases (decreases) in operating lease liabilities and ROU assets as a result of lease modifications for the nine September 30, 2019 Modification to Ambrell's U.K. facility lease $ (486 ) Modification to lease for facility in Mansfield, Massachusetts $ 1,811 Modification to Ambrell's Netherlands facility lease $ (48 ) The lease for Ambrell's U.K. facility had an original term of 15 August 2029. March 2019, September 2019. $486. On April 8, 2019, forty December 31, 2024 6,100 August 31, 2021 ( not August 31, 2021, $1,811. During the third 2019, September 2019 no $48.

Note 9 - Debt

Note 9 - Debt	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Debt Disclosure [Text Block]	( 9 DEBT Letters of Credit 30 not one Our outstanding letters of credit at September 30, 2020 December 31, 2019 Letters of Credit Original L/C L/C Lease September 30, December 31, Mt. Laurel, NJ 3/29/2010 4/30/2021 4/30/2031 $ 90 $ 90 Mansfield, MA 10/27/2010 12/31/2024 12/31/2024 50 50 $ 140 $ 140 Line of Credit As previously indicated in Note 1, April 10, 2020 ( $7,500 364 April 9, 2021 ( 2.5%. no September 30, 2020, $7,500 The Agreement contains customary events of default including, but not 2% This facility was put in place to provide us with additional liquidity in response to the current business environment, as a result of COVID- 19. three June 30, 2020, $2,800 Paycheck Protection Program Loans As discussed more fully in Note 13 10 three March 31, 2020 ( “Q1 2020 10 May 13, 2020 April 2020 $2,829. May 5, 2020

Note 10 - Stock-based Compensat

Note 10 - Stock-based Compensation	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Share-based Payment Arrangement [Text Block]	( 10 STOCK-BASED COMPENSATION As of September 30, 2020, 12 2019 10 September 30, 2020, $1,544. 2.8 three nine September 30, 2020 2019, Three Months Ended Nine Months Ended 2020 2019 2020 2019 Cost of revenues $ - $ - $ - $ - Selling expense 3 - 9 4 Engineering and product development expense 10 11 31 26 General and administrative expense 72 231 440 608 $ 85 $ 242 $ 480 $ 638 There was no three nine September 30, 2020 2019. Restricted Stock Awards four one 25% March 31, June 30, September 30, December 31 On August 24, 2020, two 141,610 $650 66,448 4 25% 75,162 third 0% 150% August 24, 2020. September 30, 2020, 100% three The following table summarizes the activity related to unvested shares of restricted stock for the nine September 30, 2020: Number Weighted Unvested shares outstanding, January 1, 2020 165,031 $ 6.55 Granted 229,110 4.24 Vested (80,361 ) 5.47 Forfeited (67,125 ) 6.03 Unvested shares outstanding, September 30, 2020 246,655 4.89 The total fair value of the shares that vested during the nine September 30, 2020 2019 $296 $370, Stock Options No may ten four The fair value for stock options granted during the nine September 30, 2020 2019 2020 2019 Risk-free interest rate 0.46 % 2.35 % Dividend yield 0.00 % 0.00 % Expected common stock market price volatility factor .44 .42 Weighted average expected life of stock options (years) 6.25 6.25 The per share weighted average fair value of stock options issued during the nine September 30, 2020 2019 $1.48 $2.75, nine September 30, 2020: Number Weighted Options outstanding, January 1, 2020 (87,900 exercisable) 506,810 $ 6.89 Granted 113,980 3.49 Exercised - - Forfeited (182,590 ) 6.31 Options outstanding, September 30, 2020 (204,630 exercisable) 438,200 6.25

Note 11 - Stock Repurchase Plan

Note 11 - Stock Repurchase Plan	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Stock Repurchase Plan [Text Block]	( 11 STOCK REPURCHASE PLAN On July 31, 2019, $3,000 10b 18 1934, “2019 may 10b5 1 2019 not may 2019 September 18, 2019 March 31, 2020, 13,767 2019 $74, March 2, 2020, 2019 2019 September 30, 2020, 243,075 $1,216, $6.

Note 12 - Employee Benefit Plan

Note 12 - Employee Benefit Plans	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Retirement Benefits [Text Block]	( 12 EMPLOYEE BENEFIT PLANS We have defined contribution 401 18 10% $5. four three nine September 30, 2020 $56 $313 three nine September 30, 2019 $53 $335 All permanent employees of Ambrell are immediately eligible to participate in the Ambrell Corporation Savings & Profit Sharing Plan (the "Ambrell Plan") upon employment and are eligible for employer matching contributions after completing one 100% 25% 2% three nine September 30, 2020 $17 $49 three nine September 30, 2019 $11 $48

Note 13 - Segment Information

Note 13 - Segment Information	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Segment Reporting Disclosure [Text Block]	( 13 SEGMENT INFORMATION We have two 3 We operate our business worldwide and sell our products both domestically and internationally. Both of our segments sell to semiconductor manufacturers, third Three Months Ended Nine Months Ended 2020 2019 2020 2019 Net Revenues: Thermal $ 10,724 $ 10,622 $ 29,534 $ 33,775 EMS 3,719 4,010 9,414 13,271 $ 14,443 $ 14,632 $ 38,948 $ 47,046 Earnings (loss) before income tax expense (benefit): Thermal $ 478 $ 496 $ 39 $ 1,949 EMS 169 475 (574 ) 1,624 Corporate (214 ) (177 ) (242 ) (1,617 ) $ 433 $ 794 $ (777 ) $ 1,956 Net earnings (loss): Thermal $ 379 $ 403 $ 26 $ 1,592 EMS 218 387 (380 ) 1,327 Corporate (139 ) (143 ) (161 ) (1,321 ) $ 458 $ 647 $ (515 ) $ 1,598 September 30, December 31, Identifiable assets: Thermal $ 51,920 $ 51,621 EMS 9,940 7,319 Corporate 929 775 $ 62,789 $ 59,715 The following tables provide information about our geographic areas of operation. Net revenues from unaffiliated customers are based on the location to which the goods are shipped. Three Months Ended Nine Months Ended 2020 2019 2020 2019 Net revenues: U.S. $ 5,562 $ 6,226 $ 16,235 $ 19,319 Foreign 8,881 8,406 22,713 27,727 $ 14,443 $ 14,632 $ 38,948 $ 47,046 September 30, December 31, Property and equipment: U.S. $ 2,088 $ 2,163 Foreign 329 257 $ 2,417 $ 2,420

Significant Accounting Policies

Significant Accounting Policies (Policies)	9 Months Ended
	Sep. 30, 2020
Accounting Policies [Abstract]
Basis Of Presentation And Use Of Estimates [Policy Text Block]	Basis of Presentation and Use of Estimates In the opinion of management, the accompanying unaudited consolidated financial statements include all adjustments (consisting only of normal recurring adjustments) necessary to present fairly the financial position, results of operations, and changes in cash flows for the interim periods presented. Certain footnote information has been condensed or omitted from these consolidated financial statements. Therefore, these consolidated financial statements should be read in conjunction with the consolidated financial statements and accompanying footnotes included in our Form 10 December 31, 2019 ( “2019 10 March 23, 2020
Reclassification, Comparability Adjustment [Policy Text Block]	Reclassification
Subsequent Events, Policy [Policy Text Block]	Subsequent Events no nine September 30, 2020 1 19 3.
Business Combinations Policy [Policy Text Block]	Business Combinations third
Restructuring And Other Charges [Policy Text Block]	Restructuring and Other Charges In accordance with the guidance in Accounting Standards Codification (“ASC”) Topic 420 may may may 842 360 350
Goodwill Intangible And Long Lived Assets [Policy Text Block]	Goodwill, Intangible and Long-Lived Assets 350. fourth may not not not not not The quantitative goodwill impairment test compares the fair value of a reporting unit with its carrying amount, including goodwill. If the fair value of a reporting unit exceeds its carrying amount, goodwill of the reporting unit is considered not Indefinite-lived intangible assets are assessed for impairment annually in the fourth not not no Long-lived assets, which consist of finite-lived intangible assets and property and equipment, are assessed for impairment whenever events or changes in business circumstances indicate that the carrying amount of the assets may not no
Revenue [Policy Text Block]	Revenue Recognition 606 may Revenue is recorded in an amount that reflects the consideration we expect to receive in exchange for those products or services. We do not 30 90 not Nature of Products and Services We are a global supplier of precision-engineered solutions for use in manufacturing and testing across a wide range of markets including automotive, defense/aerospace, energy, industrial, semiconductor and telecommunications. We sell thermal management products including ThermoStreams, ThermoChambers and process chillers, which we sell under our Temptronic, Sigma and Thermonics product lines, and Ambrell's precision induction heating systems, including EKOHEAT and EASYHEAT products. We sell semiconductor ATE interface solutions which include manipulators, docking hardware and electrical interface products. We provide post-warranty service and support for the equipment we sell. We sell semiconductor ATE interface solutions and certain thermal management products to the Semi Market. We also sell our thermal management products to various other markets including the automotive, defense/aerospace, energy, industrial and telecommunications markets. We lease certain of our equipment under short-term leasing agreements with original lease terms of six not Types of Contracts with Customers Our contracts with customers are generally structured as individual purchase orders which specify the exact products or services being sold or equipment being leased along with the selling price, service fee or monthly lease amount for each individual item on the purchase order. Payment terms and any other customer-specific acceptance criteria are also specified on the purchase order. We generally do not Contract Balances We record accounts receivable at the time of invoicing. Accounts receivable, net of the allowance for doubtful accounts, is included in current assets on our balance sheet. To the extent that we do not The allowance for doubtful accounts reflects our best estimate of probable losses inherent in the accounts receivable balance. We determine the allowance based on known troubled accounts, if any, historical experience, and other currently available evidence. Costs to Obtain a Contract with a Customer The only costs we incur associated with obtaining contracts with customers are sales commissions that we pay to our internal sales personnel or third third not Product Warranties In connection with the sale of our products, we generally provide standard one two not not See Notes 5 13
Inventory, Policy [Policy Text Block]	Inventories first first not not twelve three
Lessee, Leases [Policy Text Block]	Leases We account for leases in accordance with ASC Topic 842 January 1, 2019. 842, not 842. not not not 842 none 842 not may not not 842. not ROU assets represent our right to use an underlying asset for the lease term and lease liabilities represent our 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. None may not We have lease agreements which contain both lease and non-lease components, which are generally accounted for separately. In addition to the monthly rental payments due, most of our leases for our offices and warehouse facilities include non-lease components representing our portion of the common area maintenance, property taxes and insurance charges incurred by the landlord for the facilities which we occupy. These amounts are not We have made an accounting policy election not 842 one 8
Contingent Liability, Repayment of State and Local Grant Funds Received, Policy [Policy Text Block]	Contingent Liability for Repayment of State and Local Grant Proceeds In connection with leasing a new facility in Rochester, New York, which our subsidiary, Ambrell, occupied in May 2018, $463 2023. may September 30, 2020, $423 not no $32 September 30, 2020. As of December 31, 2019, not December 31, 2019. September 30, 2020, not December 31, 2020 December 31, 2019. not may
Share-based Payment Arrangement [Policy Text Block]	Stock-Based Compensation 718 10.
Income Tax, Policy [Policy Text Block]	Income Taxes not not
Earnings Per Share, Policy [Policy Text Block]	Net Earnings (Loss) Per Common Share Three Months Ended Nine Months Ended 2020 2019 2020 2019 Weighted average common shares outstanding - basic 10,269,995 10,421,383 10,247,779 10,405,892 Potentially dilutive securities: Unvested shares of restricted stock and employee stock options 17,567 8,153 - 17,229 Weighted average common shares and common share equivalents outstanding - diluted 10,287,562 10,429,536 10,247,779 10,423,121 Average number of potentially dilutive securities excluded from calculation 631,392 657,969 722,538 501,964
New Accounting Pronouncements, Policy [Policy Text Block]	Effect of Recently Issued Amendments to Authoritative Accounting Guidance In June 2016, November 2019, December 15, 2022. first January 1, 2023. In December 2019, 740 January 1, 2021. January 1, 2021. not

Note 2 - Summary of Significa_2

Note 2 - Summary of Significant Accounting Policies (Tables)	9 Months Ended
	Sep. 30, 2020
Notes Tables
Schedule of Weighted Average Number of Shares [Table Text Block]	Three Months Ended Nine Months Ended 2020 2019 2020 2019 Weighted average common shares outstanding - basic 10,269,995 10,421,383 10,247,779 10,405,892 Potentially dilutive securities: Unvested shares of restricted stock and employee stock options 17,567 8,153 - 17,229 Weighted average common shares and common share equivalents outstanding - diluted 10,287,562 10,429,536 10,247,779 10,423,121 Average number of potentially dilutive securities excluded from calculation 631,392 657,969 722,538 501,964

Note 3 - Restructuring and Ot_2

Note 3 - Restructuring and Other Charges (Tables)	9 Months Ended
	Sep. 30, 2020
Notes Tables
Schedule of Restructuring Reserve by Type of Cost [Table Text Block]	Balance - January 1, 2020 $ - Accruals for other associated costs 14 Cash payments (14 ) Balance September 30, 2020 $ -

Note 4 - Goodwill and Intangi_2

Note 4 - Goodwill and Intangible Assets (Tables)	9 Months Ended
	Sep. 30, 2020
Notes Tables
Schedule of Goodwill [Table Text Block]	Sigma $ 1,656 Thermonics 50 Ambrell 12,032 Total $ 13,738
Schedule of Carrying Value of Finite-lived Intangible Assets [Table Text Block]	Balance - January 1, 2020 $ 6,944 Amortization (927 ) Balance September 30, 2020 $ 6,017
Schedule Of Intangible Assets [Table Text Block]	September 30, 2020 Gross Accumulated Amortization Net Finite-lived intangible assets: Customer relationships $ 10,480 $ 4,633 $ 5,847 Technology 600 457 143 Patents 590 563 27 Software 270 270 - Trade name 140 140 - Total finite-lived intangible assets 12,080 6,063 6,017 Indefinite-lived intangible assets: Trademarks 6,710 - 6,710 Total intangible assets $ 18,790 $ 6,063 $ 12,727 December 31, 2019 Gross Carrying Amount Accumulated Amortization Net Amount Finite-lived intangible assets: Customer relationships $ 10,480 $ 3,805 $ 6,675 Technology 600 380 220 Patents 590 541 49 Software 270 270 - Trade name 140 140 - Total finite-lived intangible assets 12,080 5,136 6,944 Indefinite-lived intangible assets: Trademarks 6,710 - 6,710 Total intangible assets $ 18,790 $ 5,136 $ 13,654
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]	2020 (remainder) $ 307 2021 $ 1,226 2022 $ 1,167 2023 $ 1,067 2024 $ 980

Note 5 - Revenue From Contrac_2

Note 5 - Revenue From Contracts With Customers (Tables)	9 Months Ended
	Sep. 30, 2020
Notes Tables
Disaggregation of Revenue [Table Text Block]	Three Months Ended Nine Months Ended 2020 2019 2020 2019 Net revenues by customer type: End user $ 12,651 $ 13,167 $ 34,518 $ 42,310 OEM/Integrator 1,792 1,465 4,430 4,736 $ 14,443 $ 14,632 $ 38,948 $ 47,046 Net revenues by product type: Thermal test $ 3,632 $ 4,568 $ 11,482 $ 13,817 Thermal process 5,574 4,635 13,885 15,303 Semiconductor test 3,604 3,841 9,093 12,734 Service/other 1,633 1,588 4,488 5,192 $ 14,443 $ 14,632 $ 38,948 $ 47,046 Net revenues by market: Semi Market $ 7,387 $ 7,126 $ 19,256 $ 24,878 Industrial 4,220 5,758 12,346 15,983 Defense/aerospace 2,015 153 4,919 1,437 Telecommunications 419 1,377 1,427 3,509 Other Multi Markets 402 218 1,000 1,239 $ 14,443 $ 14,632 $ 38,948 $ 47,046

Note 7 - Inventories (Tables)

Note 7 - Inventories (Tables)	9 Months Ended
	Sep. 30, 2020
Notes Tables
Schedule of Inventory, Current [Table Text Block]	September 30, December 31, Raw materials $ 4,800 $ 5,369 Work in process 1,042 949 Inventory consigned to others 49 54 Finished goods 1,033 810 Total inventories $ 6,924 $ 7,182 Three Months Ended Nine Months Ended 2020 2019 2020 2019 Excess and obsolete inventory charges $ 105 $ 98 $ 410 $ 341

Note 8 - Leases (Tables)

Note 8 - Leases (Tables)	9 Months Ended
	Sep. 30, 2020
Notes Tables
Lease, Cost [Table Text Block]	Three Months Ended Nine Months Ended 2020 2019 2020 2019 Operating lease cost $ 393 $ 370 $ 1,174 $ 1,106 Short-term lease cost $ 13 $ 12 $ 35 $ 39 Range of remaining lease terms (in years) 0.3 to 10.0 Weighted average remaining lease term (in years) 6.6 Weighted average discount rate 4.4%
Lessee, Operating Lease, Liability, Maturity [Table Text Block]	2020 (remainder) $ 378 2021 1,407 2022 1,321 2023 1,341 2024 1,377 Thereafter 2,566 Total lease payments $ 8,390 Less imputed interest (1,042 ) Total $ 7,348
Supplemental Cash Flow Infomation, Lessee [Table Text Block]	Modification to lease for facility in Fremont, California $ 1,176 Modification to lease for facility in Mt. Laurel, New Jersey $ 2,051 Modification to Ambrell's U.K. facility lease $ (486 ) Modification to lease for facility in Mansfield, Massachusetts $ 1,811 Modification to Ambrell's Netherlands facility lease $ (48 )

Note 9 - Debt (Tables)

Note 9 - Debt (Tables)	9 Months Ended
	Sep. 30, 2020
Notes Tables
Schedule Of Outstanding Letters Of Credit [Table Text Block]	Letters of Credit Original L/C L/C Lease September 30, December 31, Mt. Laurel, NJ 3/29/2010 4/30/2021 4/30/2031 $ 90 $ 90 Mansfield, MA 10/27/2010 12/31/2024 12/31/2024 50 50 $ 140 $ 140

Note 10 - Stock-based Compens_2

Note 10 - Stock-based Compensation (Tables)	9 Months Ended
	Sep. 30, 2020
Notes Tables
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]	Three Months Ended Nine Months Ended 2020 2019 2020 2019 Cost of revenues $ - $ - $ - $ - Selling expense 3 - 9 4 Engineering and product development expense 10 11 31 26 General and administrative expense 72 231 440 608 $ 85 $ 242 $ 480 $ 638
Schedule of Nonvested Share Activity [Table Text Block]	Number Weighted Unvested shares outstanding, January 1, 2020 165,031 $ 6.55 Granted 229,110 4.24 Vested (80,361 ) 5.47 Forfeited (67,125 ) 6.03 Unvested shares outstanding, September 30, 2020 246,655 4.89
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]	2020 2019 Risk-free interest rate 0.46 % 2.35 % Dividend yield 0.00 % 0.00 % Expected common stock market price volatility factor .44 .42 Weighted average expected life of stock options (years) 6.25 6.25
Share-based Payment Arrangement, Option, Activity [Table Text Block]	Number Weighted Options outstanding, January 1, 2020 (87,900 exercisable) 506,810 $ 6.89 Granted 113,980 3.49 Exercised - - Forfeited (182,590 ) 6.31 Options outstanding, September 30, 2020 (204,630 exercisable) 438,200 6.25

Note 13 - Segment Information (

Note 13 - Segment Information (Tables)	9 Months Ended
	Sep. 30, 2020
Notes Tables
Schedule of Segment Reporting Information, by Segment [Table Text Block]	Three Months Ended Nine Months Ended 2020 2019 2020 2019 Net Revenues: Thermal $ 10,724 $ 10,622 $ 29,534 $ 33,775 EMS 3,719 4,010 9,414 13,271 $ 14,443 $ 14,632 $ 38,948 $ 47,046 Earnings (loss) before income tax expense (benefit): Thermal $ 478 $ 496 $ 39 $ 1,949 EMS 169 475 (574 ) 1,624 Corporate (214 ) (177 ) (242 ) (1,617 ) $ 433 $ 794 $ (777 ) $ 1,956 Net earnings (loss): Thermal $ 379 $ 403 $ 26 $ 1,592 EMS 218 387 (380 ) 1,327 Corporate (139 ) (143 ) (161 ) (1,321 ) $ 458 $ 647 $ (515 ) $ 1,598
Revenue from External Customers by Geographic Areas [Table Text Block]	Three Months Ended Nine Months Ended 2020 2019 2020 2019 Net revenues: U.S. $ 5,562 $ 6,226 $ 16,235 $ 19,319 Foreign 8,881 8,406 22,713 27,727 $ 14,443 $ 14,632 $ 38,948 $ 47,046
Long-lived Assets by Geographic Areas [Table Text Block]	September 30, December 31, Property and equipment: U.S. $ 2,088 $ 2,163 Foreign 329 257 $ 2,417 $ 2,420
Asset [Member]
Notes Tables
Schedule of Segment Reporting Information, by Segment [Table Text Block]	September 30, December 31, Identifiable assets: Thermal $ 51,920 $ 51,621 EMS 9,940 7,319 Corporate 929 775 $ 62,789 $ 59,715

Note 1 - Nature of Operations (

Note 1 - Nature of Operations (Details Textual) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2020USD ($)	Jun. 30, 2020USD ($)	Mar. 31, 2020USD ($)	Sep. 30, 2019USD ($)	Jun. 30, 2019USD ($)	Mar. 31, 2019USD ($)	Sep. 30, 2020USD ($)	Sep. 30, 2019USD ($)	Apr. 10, 2020USD ($)
Number of Operating Segments							2
Net Income (Loss) Attributable to Parent, Total	$ 458	$ 170	$ (1,143)	$ 647	$ (187)	$ 1,138	$ (515)	$ 1,598
Revenue from Contract with Customer, Including Assessed Tax	14,443			14,632			38,948	47,046
M&T [Member] | Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity									$ 7,500
Semiconductor Market [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 7,387			$ 7,126			$ 19,256	$ 24,878

Note 2 - Summary of Significa_3

Note 2 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands	Sep. 30, 2020USD ($)
Deferred Grant Proceeds	$ 32
City of Rochester and State of New York [Member]
Contingent Liability, Repayment of State and Local Grant Funds Received	463
Covenant, Future Amount Receivable	$ 423

Note 2 - Summary of Significa_4

Note 2 - Summary of Significant Accounting Policies - Weighted Average Common Shares (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Weighted average common shares outstanding - basic (in shares)	10,269,995	10,421,383	10,247,779	10,405,892
Unvested shares of restricted stock and employee stock options (in shares)	17,567	8,153		17,229
Weighted average common shares and common share equivalents outstanding - diluted (in shares)	10,287,562	10,429,536	10,247,779	10,423,121
Average number of potentially dilutive securities excluded from calculation (in shares)	631,392	657,969	722,538	501,964

Note 3 - Restructuring and Ot_3

Note 3 - Restructuring and Other Charges (Details Textual) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2020	Sep. 30, 2020	Sep. 21, 2020	Dec. 31, 2019
Operating Lease, Right-of-Use Asset	$ 7,094		$ 7,094		$ 4,842
Lease Agreement, EMS Facility in Fremont, California [Member]
Operating Lease, Right-of-Use Asset	1,174		1,174
Lease Agreement, EMS Facility in Mt. Laurel, New Jersey [Member]
Operating Lease, Right-of-Use Asset	242		242
EMS Segment Restructuring and Facility Consolidation [Member]
Restructuring and Related Costs, Incurred Cost, Total	14
Restructuring Charges, Total			14
EMS Segment Restructuring and Facility Consolidation [Member] | Minimum [Member] | Forecast [Member]
Operating Lease, Impairment Loss		$ 700
EMS Segment Restructuring and Facility Consolidation [Member] | Maximum [Member] | Forecast [Member]
Operating Lease, Impairment Loss		800
Executive Management Changes [Member]
Restructuring and Related Cost, Expected Cost Remaining	$ 20		20
Restructuring Charges, Total			495
Share-based Payment Arrangement, Reversal of Expense			117
Executive Management Changes [Member] | Minimum [Member] | Forecast [Member]
Operating Lease, Impairment Loss		100
Executive Management Changes [Member] | Maximum [Member] | Forecast [Member]
Operating Lease, Impairment Loss		$ 200
Severance and One-time Termination Benefits [Member] | EMS Segment Restructuring and Facility Consolidation [Member] | Minimum [Member]
Restructuring and Related Cost, Expected Cost Remaining				$ 50
Severance and One-time Termination Benefits [Member] | EMS Segment Restructuring and Facility Consolidation [Member] | Maximum [Member]
Restructuring and Related Cost, Expected Cost Remaining				100
Moving, Production Start-up, and Other Costs [Member] | EMS Segment Restructuring and Facility Consolidation [Member] | Minimum [Member]
Restructuring and Related Cost, Expected Cost Remaining				300
Moving, Production Start-up, and Other Costs [Member] | EMS Segment Restructuring and Facility Consolidation [Member] | Maximum [Member]
Restructuring and Related Cost, Expected Cost Remaining				$ 400
Executive Management Search Firm [Member] | Executive Management Changes [Member]
Restructuring Charges, Total			224
Legal Fees Related to Transition [Member] | Executive Management Changes [Member]
Restructuring Charges, Total			128
Employee Severance [Member] | Executive Management Changes [Member]
Restructuring Charges, Total			$ 143

Note 3 - Restructuring and Ot_4

Note 3 - Restructuring and Other Charges - Changes in Accrued Restructuring (Details) - EMS Segment Restructuring and Facility Consolidation [Member] $ in Thousands	9 Months Ended
	Sep. 30, 2020USD ($)
Beginning balance	$ 0
Accruals for other associated costs	14
Cash payments	(14)
Ending balance	$ 0

Note 4 - Goodwill and Intangi_3

Note 4 - Goodwill and Intangible Assets (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Goodwill, Ending Balance	$ 13,738		$ 13,738		$ 13,738
Amortization of Intangible Assets, Total	$ 307	$ 312	$ 927	$ 944

Note 4 - Goodwill and Intangi_4

Note 4 - Goodwill and Intangible Assets - Component of Goodwill (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Goodwill	$ 13,738	$ 13,738
Sigma [Member]
Goodwill	1,656
Thermonics [Member]
Goodwill	50
Ambrell [Member]
Goodwill	$ 12,032

Note 4 - Goodwill and Intangi_5

Note 4 - Goodwill and Intangible Assets - Changes in the Amount of the Carrying Value of Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Beginning balance			$ 6,944
Amortization	$ (307)	$ (312)	(927)	$ (944)
Ending balance	$ 6,017		$ 6,017

Note 4 - Goodwill and Intangi_6

Note 4 - Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Finite-lived, Gross Carrying Amount	$ 12,080	$ 12,080
Finite-lived, Accumulated Amortization	6,063	5,136
Net Carrying Amount	6,017	6,944
Intangible Assets, Gross Carrying Amount	18,790	18,790
Net Carrying Amount	12,727	13,654
Trademarks [Member]
Indefinite-lived, Gross Carrying Amount	6,710	6,710
Net Carrying Amount	6,710	6,710
Customer Relationships [Member]
Finite-lived, Gross Carrying Amount	10,480	10,480
Finite-lived, Accumulated Amortization	4,633	3,805
Net Carrying Amount	5,847	6,675
Patented Technology [Member]
Finite-lived, Gross Carrying Amount	600	600
Finite-lived, Accumulated Amortization	457	380
Net Carrying Amount	143	220
Patents [Member]
Finite-lived, Gross Carrying Amount	590	590
Finite-lived, Accumulated Amortization	563	541
Net Carrying Amount	27	49
Computer Software, Intangible Asset [Member]
Finite-lived, Gross Carrying Amount	270	270
Finite-lived, Accumulated Amortization	270	270
Net Carrying Amount
Trade Names [Member]
Finite-lived, Gross Carrying Amount	140	140
Finite-lived, Accumulated Amortization	140	140
Net Carrying Amount

Note 4 - Goodwill and Intangi_7

Note 4 - Goodwill and Intangible Assets - Future Amortization Expense (Details) $ in Thousands	Sep. 30, 2020USD ($)
2020 (remainder)	$ 307
2021	1,226
2022	1,167
2023	1,067
2024	$ 980

Note 5 - Revenue From Contrac_3

Note 5 - Revenue From Contracts With Customers (Details Textual) $ in Thousands	9 Months Ended
	Sep. 30, 2020USD ($)
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease), Total	$ 0

Note 5 - Revenue From Contrac_4

Note 5 - Revenue From Contracts With Customers - Disaggregation of Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net revenues	$ 14,443	$ 14,632	$ 38,948	$ 47,046
Semiconductor Market [Member]
Net revenues	7,387	7,126	19,256	24,878
Industrial Market [Member]
Net revenues	4,220	5,758	12,346	15,983
Defense/ Aerospace [Member]
Net revenues	2,015	153	4,919	1,437
Telecommunications Market [Member]
Net revenues	419	1,377	1,427	3,509
Other Multi Markets [Member]
Net revenues	402	218	1,000	1,239
Thermal Testing Products [Member]
Net revenues	3,632	4,568	11,482	13,817
Thermal Process [Member]
Net revenues	5,574	4,635	13,885	15,303
Semiconductor Production Test Products [Member]
Net revenues	3,604	3,841	9,093	12,734
Service and Other Products [Member]
Net revenues	1,633	1,588	4,488	5,192
End User [Member]
Net revenues	12,651	13,167	34,518	42,310
OEM and Integrators [Member]
Net revenues	$ 1,792	$ 1,465	$ 4,430	$ 4,736

Note 6 - Major Customers (Detai

Note 6 - Major Customers (Details Textual)	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Number of Major Customers	0
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Texas Instruments Incorporated [Member]
Concentration Risk, Percentage		11.00%

Note 7 - Inventories - Inventor

Note 7 - Inventories - Inventories Held (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Raw materials	$ 4,800		$ 4,800		$ 5,369
Work in process	1,042		1,042		949
Inventory consigned to others	49		49		54
Finished goods	1,033		1,033		810
Total inventories	6,924		6,924		$ 7,182
Excess and obsolete inventory charges	$ 105	$ 98	$ 410	$ 341

Note 8 - Leases (Details Textua

Note 8 - Leases (Details Textual) $ in Thousands	Apr. 08, 2019ft²	Sep. 30, 2020USD ($)	Sep. 30, 2019USD ($)	Sep. 30, 2020USD ($)	Sep. 30, 2019USD ($)	Sep. 22, 2020ft²	Jan. 23, 2020	Mar. 31, 2019
Operating Lease, Right-of-Use Asset, Amortization Expense		$ 324	$ 351	$ 977	$ 952
Mansfield, Massachusetts [Member]
Lessee, Operating Lease, Renewal Term (Month)	3 years 120 days
Increase in Operating Lease Liabilities and Right-of-Use Assets, Non-cash					1,811
Operating Lease, Increase in Area (Square Foot) | ft²	6,100
Lease Agreement, EMS Facility in Fremont, California [Member]
Lessee, Operating Lease, Renewal Term (Month)							5 years 30 days
Increase in Operating Lease Liabilities and Right-of-Use Assets, Non-cash				1,176
Lease Agreement, EMS Facility in Mt. Laurel, New Jersey [Member]
Lessee, Operating Lease, Renewal Term (Month)						10 years
Increase in Operating Lease Liabilities and Right-of-Use Assets, Non-cash				$ 2,051
Area of Real Estate Property (Square Foot) | ft²						33,650
Lease Agreement, Ambrell’s U.K [Member]
Lessee, Operating Lease, Term of Contract (Year)								15 years
Decrease In Operating Lease Liabilities and Right-of-Use Assets, Non-cash					486
Lease Agreement, Ambrell’s Netherlands Facility [Member]
Decrease In Operating Lease Liabilities and Right-of-Use Assets, Non-cash			$ 48		$ 48

Note 8 - Leases - Lease Costs (

Note 8 - Leases - Lease Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Operating lease cost	$ 393	$ 370	$ 1,174	$ 1,106
Short-term lease cost	$ 13	$ 12	$ 35	$ 39
Weighted average remaining lease term (in years) (Year)	6 years 219 days		6 years 219 days
Weighted average discount rate	4.40%		4.40%
Minimum [Member]
Range of remaining lease terms (in years) (Year)			109 days
Maximum [Member]
Range of remaining lease terms (in years) (Year)			10 years

Note 8 - Leases - Maturities of

Note 8 - Leases - Maturities of Lease Liabilities (Details) $ in Thousands	Sep. 30, 2020USD ($)
2020 (remainder)	$ 378
2021	1,407
2022	1,321
2023	1,341
2024	1,377
Thereafter	2,566
Total lease payments	8,390
Less imputed interest	(1,042)
Total	$ 7,348

Note 8 - Leases - Lease Modific

Note 8 - Leases - Lease Modifications (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Lease Agreement, EMS Facility in Fremont, California [Member]
Non-cash increases in operating lease liabilites and ROU assets		$ 1,176
Lease Agreement, Ambrell’s U.K [Member]
Non-cash decreases in operating lease liabilites and ROU assets			$ (486)
Lease Agreement, EMS Facility in Mt. Laurel, New Jersey [Member]
Non-cash increases in operating lease liabilites and ROU assets		$ 2,051
Lease for Facility in Mansfield, Massachusetts [Member]
Non-cash increases in operating lease liabilites and ROU assets			1,811
Lease Agreement, Ambrell’s Netherlands Facility [Member]
Non-cash decreases in operating lease liabilites and ROU assets	$ (48)		$ (48)

Note 9 - Debt (Details Textual)

Note 9 - Debt (Details Textual) - USD ($) $ in Thousands	Apr. 10, 2020	Apr. 30, 2020	Jun. 30, 2020	Sep. 30, 2020	Sep. 30, 2019
Proceeds from Lines of Credit, Total				$ 2,800
Proceeds from Paycheck Protection Program Under CARES Act		$ 2,829
M&T [Member] | Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 7,500
Line of Credit Facility, Current Borrowing Capacity				$ 7,500
Debt Instrument, Interest Rate, Stated Percentage	2.00%
Proceeds from Lines of Credit, Total			$ 2,800
M&T [Member] | Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	2.50%

Note 9 - Debt - Outstanding Let

Note 9 - Debt - Outstanding Letters of Credit (Details) - Letter of Credit [Member] - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Letters of Credit Amount Outstanding	$ 140	$ 140
Mt Laurel [Member]
Line of Credit, Issue Date	Mar. 29, 2010
Line of Credit, Expiration Date	Apr. 30, 2021
Lease Expiration Date	Apr. 30, 2031
Letters of Credit Amount Outstanding	$ 90	90
Mansfield [Member]
Line of Credit, Issue Date	Oct. 27, 2010
Line of Credit, Expiration Date	Dec. 31, 2024
Lease Expiration Date	Dec. 31, 2024
Letters of Credit Amount Outstanding	$ 50	$ 50

Note 10 - Stock-based Compens_3

Note 10 - Stock-based Compensation (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	Aug. 24, 2020	Sep. 30, 2020	Sep. 30, 2019	Jun. 30, 2020	Sep. 30, 2020	Sep. 30, 2019
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total		$ 1,544			$ 1,544
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)					2 years 292 days
Share-based Payment Arrangement, Amount Capitalized		$ 0	$ 0		$ 0	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)					$ 1.48	$ 2.75
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)					229,110
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value					$ 296	$ 370
Restricted Stock [Member] | Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)					4 years
Restricted Stock [Member] | Independent Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)					1 year
Restricted Stock [Member] | Independent Directors [Member] | Share-based Payment Arrangement, Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage					25.00%
Restricted Stock [Member] | Independent Directors [Member] | Share-based Payment Arrangement, Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage				25.00%
Restricted Stock [Member] | Independent Directors [Member] | Share-based Payment Arrangement, Tranche Three [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage				25.00%
Restricted Stock [Member] | Independent Directors [Member] | Share-based Compensation Award, Tranche Four [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage				25.00%
Restricted Stock [Member] | President [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	141,610
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Granted, Fair Value	$ 650
Restricted Stock [Member] | President [Member] | Restricted Stock Vesting in Four Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)	4 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	66,448
Restricted Stock [Member] | President [Member] | Restricted Stock Vesting in Three Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	75,162
Restricted Stock [Member] | President [Member] | Share-based Payment Arrangement, Tranche One [Member] | Restricted Stock Vesting in Four Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	25.00%
Restricted Stock [Member] | President [Member] | Share-based Payment Arrangement, Tranche One [Member] | Restricted Stock Vesting in Three Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)	3 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage					100.00%
Share-based Compensation Arrangement By Share-based Payment Award, Award Vesting Rights Percentage Lower Range	0.00%
Share-based Compensation Arrangement By Share-based Payment Award, Award Vesting Rights Percentage Upper Range	150.00%
Restricted Stock [Member] | President [Member] | Share-based Payment Arrangement, Tranche Two [Member] | Restricted Stock Vesting in Four Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	25.00%
Restricted Stock [Member] | President [Member] | Share-based Payment Arrangement, Tranche Three [Member] | Restricted Stock Vesting in Four Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	25.00%
Restricted Stock [Member] | President [Member] | Share-based Compensation Award, Tranche Four [Member] | Restricted Stock Vesting in Four Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	25.00%
Share-based Payment Arrangement, Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)					4 years
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)					10 years

Note 10 - Stock-based Compens_4

Note 10 - Stock-based Compensation Plan - Allocation of Share-based Compensation Expense (Details) - Restricted Stock [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Allocation of Share-based Compensation Expense	$ 85	$ 242	$ 480	$ 638
Cost of Sales [Member]
Allocation of Share-based Compensation Expense
Selling and Marketing Expense [Member]
Allocation of Share-based Compensation Expense	3		9	4
Research and Development Expense [Member]
Allocation of Share-based Compensation Expense	10	11	31	26
General and Administrative Expense [Member]
Allocation of Share-based Compensation Expense	$ 72	$ 231	$ 440	$ 608

Note 10 - Stock-based Compens_5

Note 10 - Stock-based Compensation Plan - Unvested Stock Activity (Details) - Restricted Stock [Member]	9 Months Ended
	Sep. 30, 2020$ / sharesshares
Unvested shares outstanding (in shares) | shares	165,031
Granted, number of shares (in shares) | shares	229,110
Vested, number of shares (in shares) | shares	(80,361)
Forfeited, number of shares (in shares) | shares	(67,125)
Unvested shares outstanding (in shares) | shares	246,655
Unvested shares outstanding, weighted average exercise price (in dollars per share) | $ / shares	$ 6.55
Granted, weighted average exercise price (in dollars per share) | $ / shares	4.24
Vested, weighted average exercise price (in dollars per share) | $ / shares	5.47
Forfeited, weighted average exercise price (in dollars per share) | $ / shares	6.03
Unvested shares outstanding, weighted average exercise price (in dollars per share) | $ / shares	$ 4.89

Note 10 - Stock-based Compens_6

Note 10 - Stock-based Compensation Plan - Stock Options Valuation Assumptions (Details) - Share-based Payment Arrangement, Option [Member]	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Risk-free interest rate	0.46%	2.35%
Dividend yield	0.00%	0.00%
Expected common stock market price volatility factor	0.44%	0.42%
Weighted average expected life of stock options (years) (Year)	6 years 91 days	6 years 91 days

Note 10 - Stock-based Compens_7

Note 10 - Stock-based Compensation - Stock Option Activity (Details)	9 Months Ended
	Sep. 30, 2020$ / sharesshares
Options outstanding, number of shares (in shares)	506,810
Options outstanding, weighted average exercise price (in dollars per share) | $ / shares	$ 6.89
Granted, number of shares (in shares)	113,980
Granted, weighted average exercise price (in dollars per share) | $ / shares	$ 3.49
Exercised, number of shares (in shares)
Forfeited, number of shares (in shares)	(182,590)
Forfeited, weighted average exercise price (in dollars per share) | $ / shares	$ 6.31
Options outstanding, number of shares (in shares)	438,200
Options outstanding, weighted average exercise price (in dollars per share) | $ / shares	$ 6.25

Note 10 - Stock-based Compens_8

Note 10 - Stock-based Compensation - Stock Option Activity (Details) (Parentheticals) - shares	Sep. 30, 2020	Dec. 31, 2019
Options exercisable (in shares)	204,630	87,900

Note 11 - Stock Repurchase Pl_2

Note 11 - Stock Repurchase Plan (Details Textual) - USD ($) $ in Thousands	3 Months Ended		59 Months Ended
	Mar. 31, 2020	Sep. 30, 2019	Sep. 30, 2020	Jul. 31, 2019
Stock Repurchase Program, Authorized Amount				$ 3,000
Stock Repurchased and Retired During Period, Shares (in shares)	13,767		243,075
Stock Repurchased and Retired During Period, Value	$ 74	$ 179	$ 1,216
Payments for Stock Repurchased Broker Fees			$ 6

Note 12 - Employee Benefit Pl_2

Note 12 - Employee Benefit Plans (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
401(k) Plan [Member]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay			10.00%
Defined Contribution Plan Maximum Annual Employer Matching Contribution Per Emplyee Amount			$ 5
Defined Contribution Plan Employer Matching Contribution Vesting Period (Year)			4 years
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 56	$ 53	$ 313	$ 335
The Ambrell Plan [Member]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay			2.00%
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 17	$ 11	$ 49	$ 48
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent			100.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Match			25.00%

Note 13 - Segment Information -

Note 13 - Segment Information - Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019
Net revenues	$ 14,443			$ 14,632			$ 38,948	$ 47,046
Earnings (loss) before income tax expense (benefit)	433			794			(777)	1,956
Net earnings (loss)	458	$ 170	$ (1,143)	647	$ (187)	$ 1,138	(515)	1,598
Corporate, Non-Segment [Member]
Earnings (loss) before income tax expense (benefit)	(214)			(177)			(242)	(1,617)
Net earnings (loss)	(139)			(143)			(161)	(1,321)
Thermal Testing Products [Member] | Operating Segments [Member]
Net revenues	10,724			10,622			29,534	33,775
Earnings (loss) before income tax expense (benefit)	478			496			39	1,949
Net earnings (loss)	379			403			26	1,592
EMS [Member] | Operating Segments [Member]
Net revenues	3,719			4,010			9,414	13,271
Earnings (loss) before income tax expense (benefit)	169			475			(574)	1,624
Net earnings (loss)	$ 218			$ 387			$ (380)	$ 1,327

Note 13 - Segment Information_2

Note 13 - Segment Information - Identifiable Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Identifiable Assets	$ 62,789	$ 59,715
Corporate, Non-Segment [Member]
Identifiable Assets	929	775
Thermal Testing Products [Member]
Identifiable Assets	51,920	51,621
EMS [Member]
Identifiable Assets	$ 9,940	$ 7,319

Note 13 - Segment Information_3

Note 13 - Segment Information - Net Revenue From Unaffiliated Customers (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net revenues	$ 14,443	$ 14,632	$ 38,948	$ 47,046
UNITED STATES
Net revenues	5,562	6,226	16,235	19,319
Non-US [Member]
Net revenues	$ 8,881	$ 8,406	$ 22,713	$ 27,727

Note 13 - Segment Information_4

Note 13 - Segment Information - Long-lived Assets by Geographical Area (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Property and Equipment	$ 2,417	$ 2,420
UNITED STATES
Property and Equipment	2,088	2,163
Non-US [Member]
Property and Equipment	$ 329	$ 257