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Note 3 - Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Schedule of Goodwill [Table Text Block]

(in thousands)
Carrying amount at December 31, 2021		$	57,689
Effect of change in currency translation			(333	)
Carrying amount at March 31, 2022		$	57,356

Schedule of Intangible Assets and Goodwill [Table Text Block]

						March 31, 2022												December 31, 2021
(in thousands)		Average								Accumulated												Accumulated
Amortizable intangible assets:		Life*				Gross				Amortization				Net				Gross				Amortization				Net
Distribution agreements/customer relationships			7.7			$	17,594			$	(8,938	)		$	8,656			$	17,689			$	(8,675	)		$	9,014
Existing technology			3.9				38,611				(24,786	)			13,825				38,707				(23,962	)			14,745
Trade names and patents			4.2				8,467				(5,304	)			3,163				8,496				(5,108	)			3,388
Total amortizable intangible assets						$	64,672			$	(39,028	)		$	25,644			$	64,892			$	(37,745	)		$	27,147
Indefinite-lived intangible assets:															234												238
Total intangible assets														$	25,878											$	27,385

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

		Amortization
Year Ending December 31,		Expense
(in thousands)
2022 (remainder of year)		$	4,366
2023			5,728
2024			5,427
2025			4,109
2026			2,368
Thereafter			3,646
Total		$	25,644

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