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Note 3 - Goodwill and Intangible Assets

6 Months Ended

Jun. 30, 2022

Goodwill and Intangible Assets Disclosure [Text Block]

3.	Goodwill and Intangible Assets

Goodwill

The change in the carrying amount of goodwill for the six months ended June 30, 2022, were as follows:

(in thousands)
Carrying amount at December 31, 2021	$	57,689
Effect of change in currency translation		(1,457	)
Carrying amount at June 30, 2022	$	56,232

Intangible Assets

Identifiable intangible assets at June 30, 2022 and December 31, 2021 consist of the following:

			June 30, 2022							December 31, 2021
(in thousands)	Average				Accumulated							Accumulated
Amortizable intangible assets:	Life*		Gross		Amortization			Net		Gross		Amortization			Net
Distribution agreements/customer relationships		7.4	$	17,182	$	(8,965	)	$	8,217	$	17,689	$	(8,675	)	$	9,014
Existing technology		3.7		38,220		(25,348	)		12,872		38,707		(23,962	)		14,745
Trade names and patents		4.0		8,324		(5,416	)		2,908		8,496		(5,108	)		3,388
Total amortizable intangible assets			$	63,726	$	(39,729	)	$	23,997	$	64,892	$	(37,745	)	$	27,147
Indefinite-lived intangible assets:									222							238
Total intangible assets								$	24,219						$	27,385

* Weighted average life in years as of June 30, 2022

Intangible asset amortization expense was $1.5 million for each of the three months ended June 30, 2022 and 2021, and $2.9 million for each of the six months ended June 30, 2022 and 2021. Estimated amortization expense of existing amortizable intangible assets for each of the five succeeding years and thereafter as of June 30, 2022, is as follows:

	Amortization
	Expense
(in thousands)
2022 (remainder of year)	$	2,870
2023		5,672
2024		5,375
2025		4,100
2026		2,360
Thereafter		3,620
Total	$	23,997