Note 6 - Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2022

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
Adjustments to preliminary amounts recorded in the fourth quarter of 2021 (see Note 3)		451
Impact of foreign currency translation adjustments		(294	)
Balance - December 31, 2022	$	21,605

Schedule of Goodwill [Table Text Block]

	December 31,
	2022		2021
Electronic Test	$	3,369	$	3,055
Environmental Technologies		1,817		1,817
Process Technologies		16,419		16,576
Total Goodwill	$	21,605	$	21,448

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
Adjustments to preliminary amounts recorded in the fourth quarter of 2021 (see Note 3)		20
Impact of foreign currency translation adjustments		(79	)
Balance - December 31, 2022		8,369

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

Balance - January 1, 2021	$	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
Adjustments to preliminary amounts recorded in the fourth quarter of 2021 (see Note 3)		29
Impact of foreign currency translation adjustments		(351	)
Amortization		(2,694	)
Balance - December 31, 2022	$	10,190

Schedule Of Intangible Assets [Table Text Block]

	December 31, 2022
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Finite-lived intangible assets:
Customer relationships	$	16,313	$	7,990	$	8,323
Technology		2,855		988		1,867
Patents		590		590		-
Backlog		492		492		-
Software		270		270		-
Trade name		140		140		-
Total finite-lived intangible assets		20,660		10,470		10,190
Indefinite-lived intangible assets:
Trademarks		8,369		-		8,369
Total intangible assets	$	29,029	$	10,470	$	18,559

	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]

2023	$	2,090
2024	$	1,968
2025	$	1,759
2026	$	1,150
2027	$	731