Quarterly report pursuant to Section 13 or 15(d)

Schedule of Investments (Unaudited) (Parentheticals)

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Schedule of Investments (Unaudited) (Parentheticals) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2024
 [3]
Dec. 31, 2023
Control investments [Member] | Second Lien Loan [Member] | Advantis Certified Staffing Solutions, Inc. [Member]    
Investment cash rate [2],[4] 12.00% [1] 12.00% [5],[6]
Investment maturity date [2],[4] Nov. 30, 2021 [1] Nov. 30, 2021 [5],[6]
Control investments [Member] | Unsecured Loans [Member] | Advantis Certified Staffing Solutions, Inc. [Member]    
Investment cash rate [4] 6.33% 6.33%
Investment maturity date [4] Dec. 31, 2024 Dec. 31, 2024
Control investments [Member] | Warrant [Member] | Advantis Certified Staffing Solutions, Inc. [Member]    
Investment maturity date [4] Jan. 01, 2027 [1] Jan. 01, 2027 [5],[6]
Investment warrant [4] 250,000 [1] 250,000 [5],[6]
Investment exercise price [4] $ 0.01 [1] $ 0.01 [5],[6]
Control investments [Member] | Warrant One [Member] | Advantis Certified Staffing Solutions, Inc. [Member]    
Investment maturity date [4] Jan. 01, 2027 [1] Jan. 01, 2027 [5],[6]
Investment warrant [4] 700,000 [1] 700,000 [5],[6]
Investment exercise price [4] $ 0.01 [1] $ 0.01 [5],[6]
Control investments [Member] | First Lien Loans [Member] | Dominion Medical Management, Inc. [Member]    
Investment cash rate [2],[7] 12.00% [1] 12.00% [5],[6]
Investment maturity date [2],[7] Mar. 31, 2020 [1] Mar. 31, 2020 [5],[6]
Investment payment in kind rate [2],[7] 6.00% [1] 6.00% [5],[6]
Control investments [Member] | First Lien Loans [Member] | Rockfish Seafood Grill, Inc. [Member]    
Investment cash rate [4],[7] 8.00% 8.00% [6]
Investment maturity date [4],[7] Mar. 31, 2018 Mar. 31, 2018 [6]
Investment payment in kind rate [4],[7] 6.00% 6.00% [6]
Control investments [Member] | Revolving Loan [Member] | Rockfish Seafood Grill, Inc. [Member]    
Investment cash rate [4] 8.00% 8.00% [6]
Investment maturity date [4] Dec. 31, 2024 Dec. 31, 2024 [6]
Control investments [Member] | Warrant for Membership Interest [Member] | Rockfish Holdings, LLC [Member]    
Investment maturity date [4] Jul. 28, 2028 [1] Jul. 28, 2028 [5],[6]
Investment exercise price [4] $ 0.001 [1] $ 0.001 [5],[6]
Invesment membership interest rate [4] 1.00% [1] 1.00% [5],[6]
Non-control/non-affiliate investments [Member] | Second Lien Loan [Member] | Performance Alloys, LLC [Member]    
Investment cash rate [4],[7] 10.00% 10.00% [6]
Investment maturity date [7] Dec. 31, 2026 Dec. 31, 2026 [4],[6]
[1] Investment is non-income producing as of March 31, 2024.
[2] Investment is on non-accrual status.
[3] Represents an illiquid investment. At March 31, 2024, 100% of the total fair value of portfolio investments are illiquid. All of the Company’s portfolio investments are generally subject to restrictions on resale as “restricted securities”.
[4] Represents an investment valued using significant unobservable inputs.
[5] Investment is non-income producing as of December 31, 2023.
[6] Represents an illiquid investment. At December 31, 2023, 100% of the total fair value of portfolio investments are illiquid. All of the Company’s portfolio investments are generally subject to restrictions on resale as “restricted securities.”
[7] Represents a security with a payment-in-kind component (“PIK”). At the option of the issuer, interest can be paid in cash or cash and PIK. The percentage of PIK shown is the maximum PIK that can be elected by the portfolio company.