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Note 3 - Related Party Transactions (Details Textual) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Oct. 21, 2024
Management Fee Payable | $ 1,045 | $ 1,052 |  |
Management Fee Expense | 12,261 | 12,799 | $ 10,566 |
Administrative Fees Expense | $ 1,650 | 1,658 | 1,667 |
Equity Purchase Agreement [Member] | Monroe [Member] | Momentum US Bidco LLC [Member] |  |  |  |
Ownership Percentage |  |  |  | 75.00%
Equity Purchase Agreement [Member] | MCH HoldCo [Member] | Momentum US Bidco LLC [Member] |  |  |  |
Ownership Percentage |  |  |  | 100.00%
Equity Purchase Agreement [Member] | Horizon Technology Finance Management LLC (the Advisor) [Member] | Momentum US Bidco LLC [Member] |  |  |  |
Ownership Percentage |  |  |  | 100.00%
Equity Purchase Agreement [Member] | Monroe Capital Intermediate Holdings, LLC [Member] | Momentum US Bidco LLC [Member] |  |  |  |
Ownership Percentage |  |  |  | 75.00%
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 | $ 1,000 | 1,100 |  |
Management Fee Expense | $ 12,300 | 12,800 | 10,600 |
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 | 3,100 | 7,700 |
Incentive Fee Cap and Deferral Mechanism Reduction to Expense | 9,300 | 9,800 | 1,000 |
Incentive Fee Payable | 0 | 0 |  |
Administration Agreement [Member] |  |  |  |
Administrative Fees Expense | 1,700 | 1,700 | $ 1,700 |
Administrative Fees Payable | $ 400 | $ 400 |  |

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