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Investments (Details) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2025
Mar. 31, 2024
Sep. 30, 2024
Investments [Line Items]          
Total fair value of warrants     $ 1,685,700   $ 82,700
Total unrealized depreciation $ (467,459) $ 6,591,685 (797,445) $ 9,186,818  
Warrant [Member]          
Investments [Line Items]          
Total unrealized depreciation $ 228,700 $ 95,500 $ 493,700 $ 73,300  
FlexFIN, LLC [Member]          
Investments [Line Items]          
Percentage of ownership 50.00%   50.00%