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Fair Value Measurements (Details Narrative) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jul. 31, 2025 | Jul. 31, 2024 | Jul. 31, 2023
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Investment in hedge funds | $ 3,000 | $ 2,900 |
Contingent consideration payment | $ 300 | 2,100 | $ 2,500
Number of shares issued in acquisition, value |  | 100 | 100
Other Operating Income (Expense) [Member] |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Gain on write-off of contingent consideration payment obligation |  | $ 1,800 | 1,600
Estimated fair value of contingent consideration |  |  | $ 200
Common Stock [Member] | Common Class B [Member] |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Number of shares issued in acquisition |  | 2,679 | 3,051
Number of shares issued in acquisition, value |  |  |

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