v3.26.1
Note 3 - Related Party Transactions (Details Textual) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Management Fee Payable $ 1,041   $ 975
Management Fee Expense 3,120 $ 3,180  
Incentive Fee Payable 1,765   0
Administrative Fees Expense $ 640 406  
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   1,000
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 $ 1,800 0  
Incentive Fee Cap and Deferral Mechanism Reduction to Expense 400 2,100  
Incentive Fee Payable 1,800   0
Investment Company, Incentive Fee Waived   0  
Administration Agreement [Member]      
Administrative Fees Expense 600 $ 400  
Administrative Fees Payable 600   $ 300
Merger Agreement Fee Waiver [Member]      
Investment Company, Contractual and Voluntary Fees Waived 4,000    
Base Management and Incentive Fees, Amount Waived per Quarter $ 1,000