Note 10 - Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Intangible Assets and Goodwill [Table Text Block]

	2021				2020
	Historical Cost		Accumulated Amortization		Historical Cost		Accumulated Amortization
Finite-lived intangible assets:
Customer relationships	$	7,769	$	7,255	$	7,876	$	6,991
Technology and drawings		6,750		4,305		6,761		4,015
Other intangibles		2,307		1,641		2,307		1,521
Total finite-lived intangible assets		16,826		13,201		16,944		12,527
Goodwill		27,243		-		27,537		-
Trade names and trademarks		2,218		-		2,221		-
Total	$	46,287	$	13,201	$	46,702	$	12,527

Schedule of Goodwill [Table Text Block]

	Goodwill
Balance at December 31, 2019	$	27,215
Acquisitions		-
Impairment		-
Foreign currency		322
Balance at December 31, 2020	$	27,537
Acquisitions		-
Impairment		-
Foreign currency		(294	)
Balances at December 31, 2021	$	27,243