Note 6 - Acquired Intangible Assets, Net - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Gross value	$ 112,136	$ 112,136
Accumulated Currency Translation Adjustment	(3,218)	(3,218)
Current period impairment charge	(62,190)	0	$ (600)
Accumulated Amortization	(42,102)	(34,319)
Net book value	$ 4,626	$ 74,599
Useful life (Year)	13 years	13 years
Developed Technology Rights [Member]
Gross value	$ 89,580	$ 89,580
Accumulated Currency Translation Adjustment	(1,608)	(1,608)
Current period impairment charge	(56,518)	0
Accumulated Amortization	(29,481)	(23,686)
Net book value	$ 1,973	$ 64,286
Useful life (Year)	15 years	15 years
In Process Research and Development [Member]
Gross value	$ 2,656	$ 2,656
Accumulated Currency Translation Adjustment	(1,006)	(1,006)
Current period impairment charge	0	0
Accumulated Amortization	0	0
Net book value	1,650	1,650
Customer Relationships [Member]
Gross value	9,000	9,000
Accumulated Currency Translation Adjustment	0	0
Current period impairment charge	(5,113)	0
Accumulated Amortization	(3,527)	(2,627)
Net book value	$ 360	$ 6,373
Useful life (Year)	10 years	10 years
Distribution Rights [Member]
Gross value	$ 4,700	$ 4,700
Accumulated Currency Translation Adjustment	(415)	(415)
Current period impairment charge	0	0
Accumulated Amortization	(4,285)	(4,285)
Net book value	$ 0	$ 0
Useful life (Year)	5 years	5 years
Patents [Member]
Gross value	$ 1,000	$ 1,000
Accumulated Currency Translation Adjustment	(189)	(189)
Current period impairment charge	0	0
Accumulated Amortization	(728)	(680)
Net book value	$ 83	$ 131
Useful life (Year)	16 years	16 years
Trade Names [Member]
Gross value	$ 5,200	$ 5,200
Accumulated Currency Translation Adjustment	0	0
Current period impairment charge	(559)	0
Accumulated Amortization	(4,081)	(3,041)
Net book value	$ 560	$ 2,159
Useful life (Year)	5 years	5 years