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Borrowings (Details) - USD ($)
6 Months Ended 12 Months Ended
Aug. 05, 2024
May 02, 2024
Feb. 21, 2024
Dec. 15, 2022
Nov. 09, 2021
Mar. 31, 2025
Mar. 31, 2024
Sep. 30, 2024
Jan. 17, 2023
Mar. 31, 2018
Borrowings [Line Items]                    
Asset coverage percentage           200.00%        
Asset coverage percentage with no approval           200.00%        
Revolving credit facility in terms       3 years            
Revolving credit facility       $ 50,000,000            
Borrowed amount                 $ 23,200,000  
Aggregate principal amount           $ 138,761,000   $ 137,234,000    
Aggregate principal amount           29,527,047      
Outstanding credit facility           $ 79,600,000   $ 78,100,000    
Interest rate           2.90%        
Commitment fee percentage           0.25%        
2023 Notes [Member]                    
Borrowings [Line Items]                    
Aggregate principal amount                 $ 22,600,000  
Accrued and unpaid interest rate                 100.00%  
2028 Promissory Note [Member]                    
Borrowings [Line Items]                    
Percentage of unsecured notes   5.25%                
Principal amount   $ 1,661,498                
Unsecured Debt [Member] | 2028 Promissory Note [Member]                    
Borrowings [Line Items]                    
Aggregate principal amount         $ 57,500,000          
Percentage of unsecured notes         5.25%          
Maturity date         Nov. 01, 2028          
Maximum [Member]                    
Borrowings [Line Items]                    
Asset coverage percentage                   200.00%
Aggregate principal amount $ 87,500,000   $ 62,500,000              
Minimum [Member]                    
Borrowings [Line Items]                    
Asset coverage percentage                   150.00%
Aggregate principal amount $ 25,000,000   $ 12,500,000              
Underwriters [Member] | 2028 Promissory Note [Member]                    
Borrowings [Line Items]                    
Aggregate principal amount         $ 7,500,000          
Asset Coverage [Member]                    
Borrowings [Line Items]                    
Asset coverage percentage           214.60%   216.80%