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Note 3 - Goodwill and Intangible Assets

3 Months Ended

Mar. 31, 2022

Goodwill and Intangible Assets Disclosure [Text Block]

3.	Goodwill and Intangible Assets

Goodwill

The change in the carrying amount of goodwill for the three months ended March 31, 2022, were as follows:

(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

Intangible Assets

Identifiable intangible assets at March 31, 2022 and December 31, 2021 consist of the following:

			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

* Weighted average life in years as of March 31, 2022

Intangible asset amortization expense was $1.5 million for each the three months ended March 31, 2022 and 2021. Estimated amortization expense of existing amortizable intangible assets for each of the five succeeding years and thereafter as of March 31, 2022, is as follows:

	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