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Schedule of Equity Investments (Details) - USD ($) $ in Thousands	Jan. 31, 2023	Jul. 31, 2022
Current equity investments	$ 9,213	$ 17,091
Noncurrent equity investments	6,687	7,426
Other Marketable Equity Securities [Member]
Current equity investments	1,872	4,089
Mutual Fund [Member]
Current equity investments	6,674	12,299
Hedge Funds [Member]
Noncurrent equity investments	3,137	3,238
Other Investments [Member]
Noncurrent equity investments	2,325	825
Common Class B [Member] | Zedge Inc [Member]
Current equity investments	93	117
Common Class B [Member] | Rafael Holdings Inc. [Member]
Current equity investments	574	586
Series C Convertible Preferred Stock [Member] | Visa Inc [Member]
Noncurrent equity investments	1,225	1,132
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

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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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