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Note 16 - Capital Management - Summary of Net Gains on Investment Portfolio (Details) - USD ($)
$ in Thousands
 1 Months Ended 12 Months Ended
Jan. 31, 2023
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of objectives, policies and processes for managing capital [line items]        
Total fair value gain on short-term investments $ 34,200      
Kunlun Tech Limited and Keeneyes Future Holding Inc. [member]        
Disclosure of objectives, policies and processes for managing capital [line items]        
Realized net gain (loss)   $ 0 $ 37,564 $ (18,375)
Change in unrealized net gain (loss)   0 (34,321) 34,321
Total fair value gain on short-term investments   $ 0 $ 3,243 $ 15,946