Note 6 - Acquired Intangible Assets - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Gross Value	$ 49,945
Plus: Additions	600
Less: Accumulated Currency Translation Adjustment	(3,218)
Less: Current Period Impairment Charge	(1,160)
Less: Accumulated Amortization	(43,086)
Net Book Value	$ 3,081	$ 4,626
Weighted Average Useful Life (Year)	12 years
In Process Research and Development [Member]
Gross Value	$ 2,656
Less: Accumulated Currency Translation Adjustment	(1,006)
Less: Current Period Impairment Charge	0
Net Book Value	1,650	1,650
Developed Technology Rights [Member]
Gross Value	33,061
Plus: Additions	600
Less: Accumulated Currency Translation Adjustment	(1,608)
Less: Current Period Impairment Charge	(718)
Less: Accumulated Amortization	(29,997)
Net Book Value	$ 1,338	1,973
Weighted Average Useful Life (Year)	15 years
Customer Relationships [Member]
Gross Value	$ 3,887
Plus: Additions	0
Less: Accumulated Currency Translation Adjustment	0
Less: Current Period Impairment Charge	(316)
Less: Accumulated Amortization	(3,571)
Net Book Value	$ 0	360
Weighted Average Useful Life (Year)	10 years
Distribution Rights [Member]
Gross Value	$ 4,700
Plus: Additions	0
Less: Accumulated Currency Translation Adjustment	(415)
Less: Current Period Impairment Charge	0
Less: Accumulated Amortization	(4,285)
Net Book Value	$ 0	0
Weighted Average Useful Life (Year)	5 years
Patents [Member]
Gross Value	$ 1,000
Plus: Additions	0
Less: Accumulated Currency Translation Adjustment	(189)
Less: Current Period Impairment Charge	0
Less: Accumulated Amortization	(764)
Net Book Value	$ 47	83
Weighted Average Useful Life (Year)	16 years
Trade Names [Member]
Gross Value	$ 4,641
Plus: Additions	0
Less: Accumulated Currency Translation Adjustment	0
Less: Current Period Impairment Charge	(126)
Less: Accumulated Amortization	(4,469)
Net Book Value	$ 46	$ 560
Weighted Average Useful Life (Year)	5 years