Note 6 - Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Changes in Goodwill [Table Text Block]

Balance - January 1, 2021	$	13,738
Acquisition of Z-Sciences		111
Acquisition of Videology		4,596
Acquisition of Acculogic		2,912
Impact of foreign currency translation adjustments		91
Balance - December 31, 2021	$	21,448

Schedule of Goodwill [Table Text Block]

	December 31,
	2021		2020
Thermal Segment:
Sigma	$	1,656	$	1,656
Thermonics		50		50
Ambrell		12,032		12,032
Z-Sciences		111		-
Videology		4,544		-
Total Thermal Segment		18,393		13,738
EMS Segment:
Acculogic		3,055		-
Total Goodwill	$	21,448	$	13,738

Schedule of Indefinite-Lived Intangible Assets [Table Text Block]

Balance - January 1, 2021		6,710
Acquisition of Videology		850
Acquisition of Acculogic		878
Impact of foreign currency translation adjustments		(10	)
Balance - December 31, 2021	$	8,428

Schedule of Finite-Lived Intangible Assets [Table Text Block]

Balance - January 1, 2020	$	6,944
Amortization		(1,233	)
Balance - December 31, 2020		5,711
Acquisition of Z-Sciences		389
Acquisition of Videology		4,396
Acquisition of Acculogic		4,196
Impact of foreign currency translation adjustments		(46	)
Amortization		(1,440	)
Balance - December 31, 2021	$	13,206

Schedule Of Intangible Assets [Table Text Block]

	December 31, 2021
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Finite-lived intangible assets:
Customer relationships	$	16,544	$	6,160	$	10,384
Technology		2,950		569		2,381
Patents		590		585		5
Backlog		521		85		436
Software		270		270		-
Trade name		140		140		-
Total finite-lived intangible assets		21,015		7,809		13,206
Indefinite-lived intangible assets:
Trademarks		8,428		-		8,428
Total intangible assets	$	29,443	$	7,809	$	21,634

	December 31, 2020
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Finite-lived intangible assets:
Customer relationships	$	10,480	$	4,912	$	5,568
Technology		600		477		123
Patents		590		570		20
Software		270		270		-
Trade name		140		140		-
Total finite-lived intangible assets		12,080		6,369		5,711
Indefinite-lived intangible assets:
Trademarks		6,710		-		6,710
Total intangible assets	$	18,790	$	6,369	$	12,421

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

2022	$	2,720
2023	$	2,132
2024	$	2,007
2025	$	1,793
2026	$	1,182