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Note 4 - Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule of Goodwill [Table Text Block]

		December 31,
(in thousands)		2020				2019
Balance at beginning of year		$	57,381			$	57,304
Effect of change in currency translation			1,209				77
Balance at end of year		$	58,590			$	57,381

Schedule of Intangible Assets and Goodwill [Table Text Block]

						December 31,
						2020												2019
		Weighted				(in thousands)
Amortizable intangible assets:		Average Life* (Years)				Gross				Accumulated Amortization				Net				Gross				Accumulated Amortization				Net
Distribution agreements/customer relationships			8.8			$	18,237			$	(7,746	)		$	10,491			$	17,891			$	(6,340	)		$	11,551
Existing technology			5.2				38,761				(20,674	)			18,087				41,222				(19,698	)			21,524
Trade names and patents			5.4				8,681				(4,362	)			4,319				7,910				(3,715	)			4,195
Total amortizable intangible assets						$	65,679			$	(32,782	)		$	32,897			$	67,023			$	(29,753	)		$	37,270
Indefinite-lived intangible assets:															254												1,135
Total intangible assets														$	33,151											$	38,405

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

		Amortization
Year Ending December 31,		Expense
		(in thousands)
2021		$	5,774
2022			5,740
2023			5,627
2024			5,318
2025			4,204
Thereafter			6,234
Total		$	32,897

X

- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

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