Note 10 - Goodwill, In-process Research and Development and Intellectual Property (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Goodwill [Table Text Block]

	Goodwill
	(In thousands)
Balance at December 31, 2018	$	80,131
Foreign currency translation impact		(1,162	)
Impairment		(78,969	)
Balance at December 31, 2019	$	—

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

	In-Process Research and Development
	(In thousands)
Balance at December 31, 2018	$	10,747
Impairment		(7,912	)
Foreign currency translation impact		(365	)
Balance at December 31, 2019		2,470
Impairment		—
Foreign currency translation impact		(45	)
Transfer of in-process research and development to intellectual property		(2,425	)
Balance at December 31, 2020	$	—

	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

	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

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

	Year ending December 31, 2021
	(In thousands)
2022		8,218
2023		400
2024		400
2025		400
2026		400
Thereafter		74
Total	$	9,892