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Note 17 - Commitments and Contingencies (Details Textual) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 | Jun. 30, 2025 | Jun. 30, 2024
Dividends, Common Stock, Cash |  | $ 1,191,000 | $ 1,262,000
O 2025 M 7-9 Dividends [Member] | Forecast [Member] |  |  |
Common Stock, Dividends, Per Share, Declared (in dollars per share) | $ 0.0075 |  |
Dividends, Common Stock, Cash | $ 296,000 |  |

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