v3.26.1
Significant Accounting Policies (Details) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Sep. 30, 2023
Sep. 30, 2025
Significant Accounting Policies [Line Items]            
Cash and cash equivalents $ 3,100,000   $ 3,100,000     $ 7,300,000
Restricted cash and cash equivalents      
PIK interest 500,000 $ 300,000 700,000 $ 700,000    
Fee income 164,374 29,673 352,207 40,737    
Realized gains or losses 300,000 300,000    
Non-accrual status with fair value $ 0   $ 0     $ 0
Percentage of portfolio fair value 0.00%   0.00%     0.00%
Portfolio fair value cost $ 7,600,000   $ 7,600,000     $ 7,600,000
Term of debt investments with remaining maturities     60 days      
Percentage of investment company taxable income     90.00%   90.00%  
Percentage of nondeductible U.S. federal excise tax     4.00%      
Percentage of distributable ordinary income     98.00%      
Percentage of capital gain net income     98.20%      
Net deferred tax asset 727,925   $ 727,925     1,234,847
Change in provision for deferred taxes (166,015) $ (329,636) (589,444) $ (329,636)    
Deferred tax asset 13,500,000   13,500,000     14,400,000
Deferred tax asset valuation allowance $ 12,700,000   $ 12,700,000     $ 13,200,000
Control Investments [Member]            
Significant Accounting Policies [Line Items]            
Percentage of outstanding voting securities 25.00%   25.00%      
Affiliated Investments [Member] | Minimum [Member]            
Significant Accounting Policies [Line Items]            
Percentage of outstanding voting securities 5.00%   5.00%      
Affiliated Investments [Member] | Maximum [Member]            
Significant Accounting Policies [Line Items]            
Percentage of outstanding voting securities 25.00%   25.00%