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Fair Value Measurements (Details Narrative) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jul. 31, 2024 | Jul. 31, 2023 | Jul. 31, 2022
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Investment in hedge funds | $ 2,900 | $ 3,000 |
Contingent consideration payment | 2,100 | 2,500 |
Business acquisition holdback payment | 100 | 100 | $ 1,000
Gain on write-off of contingent consideration payment obligation | (500) |  |
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 | $ 300
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 | 28,000
Business acquisition holdback payment |  |  |

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