v3.26.1
Note 4 - Investment in Equity Securities - Investment in Equity Securities (Details) - USD ($)
6 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Beginning balance, at fair value $ 0  
Purchases of marketable equity securities 13,000,000  
Change in fair value - unrealized losses (3,359,546)  
Ending balance, at fair value 9,640,454  
Short-term investment in equity securities, at fair value 4,361,070 $ 0
Long-term investment in equity securities, at fair value 5,279,384 0
Total investments in equity securities $ 9,640,454 $ 0