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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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