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Schedule of Equity Investments (Details) - USD ($) $ in Thousands | Jul. 31, 2024 | Jul. 31, 2023
--- | --- | ---
Current equity investments | $ 5,009 | $ 6,198
Noncurrent equity investments | 6,518 | 9,874
Other Marketable Equity Securities [Member] |  |
Current equity investments | 70 | 1,497
Mutual Fund [Member] |  |
Current equity investments | 4,370 | 4,054
Convertible Preferred Stock [Member] |  |
Noncurrent equity investments | 1,338 | 2,784
Hedge Funds [Member] |  |
Noncurrent equity investments | 2,883 | 3,002
Other Investments [Member] |  |
Noncurrent equity investments | 725 | 2,825
Common Class B [Member] | Rafael Holdings Inc [Member] |  |
Current equity investments | 416 | 558
Common Class B [Member] | Zedge Inc [Member] |  |
Current equity investments | 153 | 89
Series C Convertible Preferred Stock [Member] | Visa Inc [Member] |  |
Noncurrent equity investments | 695 | 1,263
Series A Convertible Preferred Stock [Member] | Visa Inc [Member] |  |
Noncurrent equity investments | $ 877 |

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