Note 10 - Distributions (Details Textual) - $ / shares |
3 Months Ended | 6 Months Ended | |
|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Common Stock, Dividends, Per Share, Cash Paid (in dollars per share) | $ 0.18 | ||
| Investment Company, Investment Income (Loss), Per Share, Basic (in dollars per share) | 0.11 | $ 0.29 | $ 0.54 |
| Earnings Per Share, Basic, Undistributed (in dollars per share) | $ 0.33 | ||