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Schedule of Unrealized Gains (losses) Gains for All Equity Investments (Details) - USD ($) $ in Thousands | 3 Months Ended
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Oct. 31, 2024 | Oct. 31, 2023
Net gains (losses) recognized during the period on equity investments | $ 378 | $ (917)
Plus: net loss recognized during the period on equity investment sold during the period | 2 |
Equity securities unrealized gain loss | 380 | (917)
Rafael Class B Common Stock [Member] |  |
Equity securities unrealized gain loss | 100 | (62)
Zedge Class B Common Stock [Member] |  |
Equity securities unrealized gain loss | $ (23) | $ (8)

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