v3.26.1
Note 6 - Fair Value Measurements - Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis (Details) - USD ($)
Jun. 30, 2026
Dec. 31, 2025
Short-term investment in marketable equity securities, at fair value (asset) $ 4,361,070 $ 0
Long-term investment in marketable equity securities, at fair value (asset) 5,279,384 0
Fair Value, Recurring [Member]    
Short-term investment in marketable equity securities, at fair value (asset) 4,361,070  
Long-term investment in marketable equity securities, at fair value (asset) 5,279,384  
Derivative liabilities -Series A warrants 55,000 50,000
Total 9,695,454  
Total   50,000
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member]    
Short-term investment in marketable equity securities, at fair value (asset) 4,361,070  
Long-term investment in marketable equity securities, at fair value (asset) 5,279,384  
Derivative liabilities -Series A warrants 0 0
Total 9,640,454  
Total   0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member]    
Short-term investment in marketable equity securities, at fair value (asset) 0  
Long-term investment in marketable equity securities, at fair value (asset) 0  
Derivative liabilities -Series A warrants 0 0
Total 0  
Total   0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member]    
Short-term investment in marketable equity securities, at fair value (asset) 0  
Long-term investment in marketable equity securities, at fair value (asset) 0  
Derivative liabilities -Series A warrants 55,000 50,000
Total $ 55,000  
Total   $ 50,000