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Schedule of Equity Investments (Details) - USD ($) $ in Thousands | Oct. 31, 2025 | Jul. 31, 2025
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Schedule of Equity Method Investments [Line Items] |  |
Current equity investments | $ 5,544 | $ 5,637
Noncurrent equity investments | 4,650 | 6,658
Other Marketable Equity Securities [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Current equity investments | 134 | 146
Mutual Fund [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Current equity investments | 4,695 | 4,566
Convertible Preferred Stock [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Noncurrent equity investments |  |
Hedge Funds [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Noncurrent equity investments | 3,044 | 3,031
Other Investments [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Noncurrent equity investments | 1,225 | 2,725
Common Class B [Member] | Rafael Holdings Inc [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Current equity investments | 608 | 755
Common Class B [Member] | Zedge Inc [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Current equity investments | 107 | 170
Series C Convertible Preferred Stock [Member] | Visa Inc [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Noncurrent equity investments | $ 381 | $ 902

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