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Schedule of Unrealized Gains (losses) Gains for All Equity Investments (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jul. 31, 2025 | Jul. 31, 2024 | Jul. 31, 2023
Net gains (losses) recognized during the period on equity investments | $ 1,598 | $ 229 | $ (2,613)
Less: net (loss) gains recognized during the period on equity investments sold during the period | (2) | 130 | 18
Equity securities unrealized gain loss | 1,600 | 99 | (2,631)
Rafael Class B Common Stock [Member] |  |  |
Equity securities unrealized gain loss | 125 | (142) | (7)
Zedge Class B Common Stock [Member] |  |  |
Equity securities unrealized gain loss | $ 17 | $ 64 | $ (28)

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