Note 6 - Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Schedule of Changes in Goodwill [Table Text Block]

Balance - January 1, 2022	$	21,448
Adjustments to preliminary amounts recorded in the fourth quarter of 2021 for contingent consideration and intangible assets related to acquisition of Acculogic (see Note 3)		451
Impact of foreign currency translation adjustments		(36	)
Balance - March 31, 2022	$	21,863

Schedule of Goodwill [Table Text Block]

	March 31,		December 31,
	2022		2021
Electronic Test:
Acculogic	$	3,566	$	3,055
Environmental Technologies:
Sigma		1,656		1,656
Thermonics		50		50
Z-Sciences		111		111
Total Environmental Technologies		1,817		1,817
Process Technologies:
Ambrell		12,032		12,032
Videology		4,448		4,544
Total Process Technologies		16,480		16,576
Total goodwill	$	21,863	$	21,448

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

Balance - January 1, 2022	$	8,428
Adjustments to preliminary amounts recorded in the fourth quarter of 2021 related to acquisition of Acculogic (see Note 3)		20
Impact of foreign currency translation adjustments		2
Balance - March 31, 2022	$	8,450

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

Balance - January 1, 2022	$	13,206
Adjustments to preliminary amounts recorded in the fourth quarter of 2021 related to acquisition of Acculogic (see Note 3)		29
Impact of foreign currency translation adjustments		2
Amortization		(782	)
Balance - March 31, 2022	$	12,455

Schedule Of Intangible Assets [Table Text Block]

	March 31,		December 31,
	2022		2021
Electronic Test:
Acculogic	$	4,973	$	5,074
Environmental Technologies:
Sigma		510		510
Thermonics		3		5
Z-Sciences		365		378
Total Environmental Technologies		878		893
Process Technologies:
Ambrell		10,375		10,680
Videology		4,679		4,987
Total Process Technologies		15,054		15,667
Total intangible assets	$	20,905	$	21,634

	March 31, 2022
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Finite-lived intangible assets:
Customer relationships	$	16,566	$	6,634	$	9,932
Technology		2,971		682		2,289
Patents		590		587		3
Backlog		507		276		231
Software		270		270		-
Trade name		140		140		-
Total finite-lived intangible assets		21,044		8,589		12,455
Indefinite-lived intangible assets:
Trademarks		8,450		-		8,450
Total intangible assets	$	29,494	$	8,589	$	20,905

	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

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

2022 (remainder)	$	1,937
2023	$	2,137
2024	$	2,013
2025	$	1,799
2026	$	1,188