v3.26.1
Note 6 - Fair Value Measurements - Fair Value of Assets and Liabilities on a Recurring Basis (Details) - USD ($)
Jun. 30, 2026
Dec. 31, 2025
Fair Value $ 11,144,775  
Fair Value, Recurring [Member]    
Cash equivalents 20,000,000  
Fair Value 11,268,342 $ 24,439,598
Embedded derivative related to digital asset receivable (83,086,868) (77,893,482)
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Cash equivalents 20,000,000  
Fair Value 11,268,342 24,439,598
Embedded derivative related to digital asset receivable 0 0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Cash equivalents 0  
Fair Value 0 0
Embedded derivative related to digital asset receivable 0 0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Cash equivalents 0  
Fair Value 0 0
Embedded derivative related to digital asset receivable $ (83,086,868) $ (77,893,482)