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Fair Value Measurements (Details Narrative) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 30, 2024 | Apr. 30, 2024 | Apr. 30, 2025 | Jul. 31, 2024
Investment in hedge funds |  |  | $ 3,000 | $ 2,900
Contingent consideration payment |  | $ 1,900 |  |
Number of shares issued in acquisition, value | $ 100 | $ 100 |  |
Common Stock [Member] | Common Class B [Member] |  |  |  |
Number of shares issued in acquisition |  | 2,679 |  |
Number of shares issued in acquisition, value |  |  |  |

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