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Significant Accounting Policies - Additional Information (Details)
 6 Months Ended 12 Months Ended
Dec. 31, 2024
USD ($)
Segment
Loans
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Jun. 30, 2024
USD ($)
Loans
Jun. 30, 2023
USD ($)
Loans
Jun. 30, 2022
USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]              
Number of loans on Non-accrual status | Loans 5       4 6  
Percentage of portfolio at fair value 3.64%       5.00% 4.08%  
Interest Income $ 196,178       $ 1,002,168 $ 491,359 $ 1,256,008
Payment in kind, Interest received       $ 264,756      
Long-term receivable 489,365       631,667 0  
Federal Tax Expense 149,156            
Escrow receivable $ 0       97,173 0  
Investment company taxable income 90.00%            
Percentage of net ordinary income 98.00%            
Percentage of capital gain 98.20%            
Excise tax $ 165,919 $ 264,386 $ 294,330        
Distributions 3,457,199       8,637,842 9,065,336 8,630,756
Short-term capital loss carryforward,net 2,255,814            
Long-term capital loss carryforward,net 121,311,293            
Short-term capital loss deferral 494,544            
Long-term capital loss deferral 0            
Income-Based Fee 134,051 433,454     648,659 768,617 869,486
Base management fees payable 769,176       816,777 906,218  
Deferred Interest Income Paid in Kind $ 2,371,478 $ 705,580     2,106,424 1,320,239 311,190
Number of operating segments | Segment 1            
Number of reportable segments | Segment 1            
Equity investments              
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]              
Payment in kind, Interest received $ 432,669       784,854 691,972 282,952
Base management fees payable           201,817  
Deferred Interest Income Paid in Kind           201,817  
Debt investments              
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]              
Payment in kind, Interest received 2,371,478       2,106,424 $ 1,320,239 $ 311,190
One thousand eight hundred eighty eight industrial services llc              
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]              
Proceeds from sale of investment         2,500,000    
Long-term receivable 489,365            
Escrow receivable (6.8)       $ 0    
Short-Term Receivable $ 160,901            
Long-Term Receivable, Discount Rate (6.80%)            
One thousand eight hundred eighty eight industrial services llc | Default Rate [Member]              
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]              
Fair Value Inputs Probability of collection 0.00%