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Note 4 - Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Schedule of Goodwill [Table Text Block]

		December 31,
		2022				2021
(in thousands)
Carrying amount at beginning of period		$	57,689			$	58,590
Effect of change in currency translation			(1,429	)			(901	)
Carrying amount at end of period		$	56,260			$	57,689

Schedule of Intangible Assets and Goodwill [Table Text Block]

						December 31, 2022												December 31, 2021
(in thousands)		Average								Accumulated												Accumulated
Amortizable intangible assets:		Life*				Gross				Amortization				Net				Gross				Amortization				Net
Distribution agreements/customer relationships			7.2			$	16,124			$	(8,727	)		$	7,397			$	17,689			$	(8,675	)		$	9,014
Existing technology			3.2				37,549				(26,482	)			11,067				38,707				(23,962	)			14,745
Trade names and patents			3.7				7,523				(5,197	)			2,326				8,496				(5,108	)			3,388
Total amortizable intangible assets						$	61,196			$	(40,406	)		$	20,790			$	64,892			$	(37,745	)		$	27,147
Indefinite-lived intangible assets:															224												238
Total intangible assets														$	21,014											$	27,385

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

(in thousands)
2023		$	5,546
2024			5,248
2025			4,020
2026			2,359
2027			1,262
Thereafter			2,355
Total		$	20,790

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