Note 9 - Contingencies and Commitments (Details Textual) - Mutual Capital Investment Fund, LP [Member] - USD ($) |
Jun. 30, 2026 |
Nov. 11, 2022 |
|---|---|---|
| Subscription Agreement, Capital Commitment | $ 2,000,000 | |
| Funded Commitments for Investment in Limited Partnership Interest | $ 1,509,622 |