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Note 3 - Related Party Transactions (Details Textual) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Management Fee Payable | $ 1,058 |  | $ 1,052
Management Fee Expense | 3,162 | $ 3,201 |
Incentive Fee Payable | 295 |  | 0
Administrative Fees Expense | $ 433 | 440 |
Investment Management Agreement [Member] |  |  |
Base Management Fee, Annual, Percent | 2.00% |  |
Base Management Fee, Annual, Percent, Gross Assets Exceeding $250 Million | 1.60% |  |
Management Fee Payable | $ 1,100 |  | 1,100
Incentive Fee to Pre-incentive Net Investment Income | 20.00% |  |
Pre-Incentive Fee Net Investment Income, Hurdle Rate | 1.75% |  |
Pre-Incentive Fee Net Investment Income, Hurdle Rate, Annualized | 7.00% |  |
Pre-Incentive Fee Net Investment Income, Catch-up, Percent | 100.00% |  |
Pre-Incentive Fee Net Investment Income, Maximum Rate to Trigger Catch-up | 2.1875% |  |
Pre-Incentive Fee Net Investment Income, Maximum Rate to Trigger Catch-up, Annualized | 8.75% |  |
Incentive Fee Expense | $ 300 | 3,000 |
Incentive Fee Cap and Deferral Mechanism Reduction to Expense | 2,300 | 200 |
Incentive Fee Cap and Deferral Mechanism, Contingent Future Liability | 13,100 |  |
Incentive Fee Payable | 300 |  | $ 0
Investment Management Agreement [Member] | December 31, 2025 Expiration [Member] |  |  |
Incentive Fee Cap and Deferral Mechanism, Contingent Future Liability | 1,000 |  |
Investment Management Agreement [Member] | March 31, 2026 Expiration [Member] |  |  |
Incentive Fee Cap and Deferral Mechanism, Contingent Future Liability | 200 |  |
Investment Management Agreement [Member] | June 30, 2026 Expiration [Member] |  |  |
Incentive Fee Cap and Deferral Mechanism, Contingent Future Liability | 3,100 |  |
Investment Management Agreement [Member] | September 30, 2026 Expiration [Member] |  |  |
Incentive Fee Cap and Deferral Mechanism, Contingent Future Liability | 3,500 |  |
Investment Management Agreement [Member] | December 31, 2026 Expiration [Member] |  |  |
Incentive Fee Cap and Deferral Mechanism, Contingent Future Liability | 3,000 |  |
Investment Management Agreement [Member] | March 31, 2027 Expiration [Member] |  |  |
Incentive Fee Cap and Deferral Mechanism, Contingent Future Liability | 2,300 |  |
Administration Agreement [Member] |  |  |
Administrative Fees Expense | 400 | 400 |
Administrative Fees Payable | $ 400 | $ 400 |

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