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Note 4 - Investments - Schedule of Summarized Financial Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2026 | Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025 | Dec. 31, 2025
Investments in money market funds | $ 57,340 | $ 57,340 | $ 53,261 | $ 57,340 | $ 53,261 | $ 34,711
Total assets | 832,048 | 832,048 |  | 832,048 |  | 811,104
Total liabilities | 414,548 | 414,548 |  | 414,548 |  | $ 492,602
Total investment income | 25,045 |  | 24,520 | 49,124 | 49,036 |
Total expenses | 17,387 |  | 12,698 | 32,228 | 26,117 |
Net investment income | 7,393 |  | 11,449 | 16,364 | 22,169 |
Net decrease in net assets resulting from operations | (37,262) |  | $ (20,777) | (34,484) | $ (42,213) |
RoHo Capital Opportunity LLC [Member] |  |  |  |  |  |
Investments in money market funds | 200 | 200 |  | 200 |  |
Contributions receivable | 430 | 430 |  | 430 |  |
Total assets | 630 | 630 |  | 630 |  |
Other liabilities | 630 | 630 |  | 630 |  |
Total liabilities | 630 | 630 |  | 630 |  |
Members’ capital | 0 | 0 |  | 0 |  |
Total members’ capital | 0 | 0 |  | 0 |  |
Total liabilities and members’ capital | 630 | 630 |  | $ 630 |  |
Total investment income | 0 | 0 |  |  |  |
Total expenses | 430 | 430 |  |  |  |
Net investment income | (430) | (430) |  |  |  |
Net decrease in net assets resulting from operations | $ (430) | $ (430) |  |  |  |

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