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Note 1 - Summary of Significant Accounting Policies (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Retained Earnings (Accumulated Deficit) $ (388,110,925)   $ (378,727,508)  
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest (9,383,417) $ (9,093,931)    
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation 36,016,156 2,952,502    
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation $ 52,967,801 $ 3,906,773 $ 16,951,645 $ 954,271