v3.26.1
Fair Value Measurements (Details) - USD ($)
3 Months Ended 6 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Fair Value Measurements [Line Items]        
Unrealized gain (loss) $ 1,669,856 $ (467,459) $ (5,484,788) $ (797,445)
Transferred into level 3    
Level 3 [Member]        
Fair Value Measurements [Line Items]        
Unrealized gain (loss)     (4,487,000) (326,000)
Level 3 [Member] | Investments [Member]        
Fair Value Measurements [Line Items]        
Unrealized gain (loss)     $ 4,400,000 $ 100,000