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Schedule of Equity Investments (Details) - USD ($) $ in Thousands	Jul. 31, 2022	Jul. 31, 2021
Current equity investments	$ 17,091	$ 42,434
Noncurrent equity investments	7,426	11,654
Other Marketable Equity Securities [Member]
Current equity investments	4,089	3,630
Mutual Fund [Member]
Current equity investments	12,299	23,467
Hedge Funds [Member]
Noncurrent equity investments	3,238	3,563
Other Investments [Member]
Noncurrent equity investments	825	2,725
Common Class B [Member] | Zedge Inc [Member]
Current equity investments	117	649
Common Class B [Member] | Rafael Holdings Inc. [Member]
Current equity investments	586	12,479
Restricted Common Class B [Member] | Rafael Holdings Inc. [Member]
Current equity investments		2,209
Series C Convertible Preferred Stock [Member] | Visa Inc [Member]
Noncurrent equity investments	1,132	2,465
Series A Convertible Preferred Stock [Member] | Visa Inc [Member]
Noncurrent equity investments	1,230
Series B and Series C Convertible Preferred Stock [Member]
Noncurrent equity investments	$ 1,001	$ 2,901

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- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

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