Note 7 - Intellectual Property (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	September 30, 2022
	(in thousands)
	Gross Carrying Amount		Accumulated Amortization			Foreign Currency Translation Impact			Net Carrying Amount
Developed technology	$	68,838	$	(66,483	)	$	(995	)	$	1,360
Technology and patents purchased		400		(229	)		(2	)		169
Total intellectual property	$	69,238	$	(66,712	)	$	(997	)	$	1,529

	December 31, 2021
	(in thousands)
	Gross Carrying Amount		Accumulated Amortization			Foreign Currency Translation Impact			Net Carrying Amount
Developed technology	$	68,838	$	(58,912	)	$	(262	)	$	9,664
Technology and patents purchased		400		(199	)		27			228
Total intellectual property	$	69,238	$	(59,111	)	$	(235	)	$	9,892