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Note 3 - Goodwill and Intangible Assets

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Text Block]

3.	Goodwill and Intangible Assets

Goodwill

The change in the carrying amount of goodwill for the nine months ended September 30, 2021, were as follows:

(in thousands)
Carrying amount at December 31, 2020	$	58,590
Effect of change in currency translation		(603	)
Carrying amount at September 30, 2021	$	57,987

Intangible Assets

				September 30, 2021							December 31, 2020
	Weighted		(in thousands)
Amortizable intangible assets:	Average Life*			Gross		Accumulated Amortization			Net		Gross		Accumulated Amortization			Net
Distribution agreements/customer relationships		8.1		$	17,874	$	(8,482	)	$	9,392	$	18,237	$	(7,746	)	$	10,491
Existing technology		4.4			38,861		(23,179	)		15,682		38,761		(20,674	)		18,087
Trade names and patents		4.7			8,559		(4,935	)		3,624		8,681		(4,362	)		4,319
Total amortizable intangible assets				$	65,294	$	(36,596	)	$	28,698	$	65,679	$	(32,782	)	$	32,897
Indefinite-lived intangible assets:										243							254
Total intangible assets									$	28,941						$	33,151

* Weighted average life in years as of September 30, 2021

Intangible asset amortization expense was $1.5 million and $1.4 million for the three months ended September 30, 2021 and 2020, respectively, and was $4.4 million and $4.3 million for the nine months ended September 30, 2021 and 2020, respectively. Estimated amortization expense of existing amortizable intangible assets for each of the five succeeding years and thereafter as of September 30, 2021, is as follows:

	Amortization
Year Ending December 31,	Expense
	(in thousands)
2021 (remainder of year)	$	1,456
2022		5,791
2023		5,684
2024		5,379
2025		4,271
Thereafter		6,117
Total	$	28,698