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

12 Months Ended

Dec. 31, 2020

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, 2020									December 31, 2019
	(In thousands)									(In thousands)
	Gross Carrying Amount		Accumulated Amortization			Foreign currency translation impact		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Foreign currency translation impact			Net Carrying Amount
Developed technology	$	68,838	$	(51,734	)	$	4,872	$	21,976	$	66,413	$	(36,918	)	$	(1,208	)	$	28,287
Technology and patents purchased		400		(168	)		59		291		400		(112	)		21			309
Total intellectual property	$	69,238	$	(51,902	)	$	4,931	$	22,267	$	66,813	$	(37,030	)	$	(1,187	)	$	28,596

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

	Year ending December 31, 2020
	(In thousands)
2021	$	11,634
2022		8,833
2023		430
2024		430
2025		430
Thereafter		510
Total	$	22,267