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Note 7 - Acquired Intangible Assets, Net - Summary of Intangible Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Gross value $ 15,736 $ 19,836
Accumulated Currency Translation Adjustment (600)  
Less: Accumulated Currency Translation Adjustment   600
Current period impairment charge (2,803) (3,218)
Accumulated Amortization (10,683) (14,728)
Intangible assets, net 1,650 2,490
Weighted Average Useful Life 1,650 $ 2,490
Useful life (Year)   11 years
Developed Technology Rights [Member]    
Gross value 12,080 $ 11,480
Accumulated Currency Translation Adjustment (600)  
Less: Accumulated Currency Translation Adjustment   600
Current period impairment charge (1,608) (1,608)
Accumulated Amortization (9,872) (9,667)
Intangible assets, net 0 805
Weighted Average Useful Life $ 0 $ 805
Useful life (Year) 14 years 14 years
In Process Research and Development [Member]    
Gross value $ 2,656 $ 2,656
Accumulated Currency Translation Adjustment 0  
Less: Accumulated Currency Translation Adjustment   0
Current period impairment charge (1,006) (1,006)
Accumulated Amortization 0 0
Intangible assets, net 1,650 1,650
Weighted Average Useful Life 1,650 1,650
Customer Relationships [Member]    
Gross value   4,700
Less: Accumulated Currency Translation Adjustment   0
Current period impairment charge   (415)
Accumulated Amortization   (4,285)
Intangible assets, net   0
Weighted Average Useful Life   $ 0
Useful life (Year)   5 years
Patents [Member]    
Gross value 1,000 $ 1,000
Accumulated Currency Translation Adjustment 0  
Less: Accumulated Currency Translation Adjustment   0
Current period impairment charge (189) (189)
Accumulated Amortization (811) (776)
Intangible assets, net 0 35
Weighted Average Useful Life $ 0 $ 35
Useful life (Year) 16 years 16 years