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Schedule of Equity Investments (Details) - USD ($) $ in Thousands	Jan. 31, 2024	Jul. 31, 2023
Current equity investments	$ 5,076	$ 6,198
Noncurrent equity investments	7,558	9,874
Other Marketable Equity Securities [Member]
Current equity investments	188	1,497
Mutual Fund [Member]
Current equity investments	4,245	4,054
Convertible Preferred Stock [Member]
Noncurrent equity investments	1,932	2,784
Hedge Funds [Member]
Noncurrent equity investments	2,951	3,002
Other Investments [Member]
Noncurrent equity investments	1,225	2,825
Common Class B [Member] | Zedge Inc [Member]
Current equity investments	138	89
Common Class B [Member] | Rafael Holdings Inc [Member]
Current equity investments	505	558
Series C Convertible Preferred Stock [Member] | Visa Inc [Member]
Noncurrent equity investments	$ 1,450	$ 1,263

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