Note 5 - Intellectual Property (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

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

	June 30, 2021
	(in thousands)
	Gross Carrying Amount		Accumulated Amortization			Foreign Currency Translation Impact		Net Carrying Amount
Developed technology	$	68,838	$	(55,755	)	$	2,601	$	15,684
Technology and patents purchased		400		(185	)		44		259
Total intellectual property	$	69,238	$	(55,940	)	$	2,645	$	15,943

	December 31, 2020
	(in thousands)
	Gross Carrying Amount		Accumulated Amortization			Foreign Currency Translation Impact		Net Carrying Amount
Developed technology	$	68,838	$	(51,734	)	$	4,872	$	21,976
Technology and patents purchased		400		(168	)		59		291
Total intellectual property	$	69,238	$	(51,902	)	$	4,931	$	22,267