Annual report [Section 13 and 15(d), not S-K Item 405]

Investments - Summary of the components of Assets Measured at Fair Value (Details)

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Investments - Summary of the components of Assets Measured at Fair Value (Details) - USD ($)
Dec. 31, 2024
Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Totals $ 70,818,041 $ 77,125,712
Loan investments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Totals 15,037,873 12,417,977
Debt investments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Totals 38,043,721 36,861,525
Equity investments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Totals 17,736,447 27,846,210
Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Totals 0 7,309,650
Level 1 | Equity investments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Totals 0 7,309,650
Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Totals 70,818,041 69,816,062
Level 3 | Loan investments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Totals 15,037,873 12,417,977
Level 3 | Debt investments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Totals 38,043,721 36,861,525
Level 3 | Equity investments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Totals $ 17,736,447 $ 20,536,560