Note 9 - Intellectual Property (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

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

	December 31, 2023
	Gross Carrying Amount		Accumulated Amortization			Foreign Currency Translation Impact			Net Carrying Amount
			(in thousands)
Developed technology	$	68,838	$	(66,902	)	$	(837	)	$	1,099
Technology and patents purchased		400		(279	)		17			138
Total intellectual property	$	69,238	$	(67,181	)	$	(820	)	$	1,237

	December 31, 2022
	Gross Carrying Amount		Accumulated Amortization			Foreign Currency Translation Impact			Net Carrying Amount
			(in thousands)
Developed technology	$	68,838	$	(66,562	)	$	(874	)	$	1,402
Technology and patents purchased		400		(239	)		13			174
Total intellectual property	$	69,238	$	(66,801	)	$	(861	)	$	1,576

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

	Year Ending December 31, 2023
2024	$	388
2025		388
2026		389
2027		72
Total	$	1,237