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Schedule of Equity Investments (Details) - USD ($) $ in Thousands	Oct. 31, 2021	Jul. 31, 2021
Equity Securities, FV-NI, Current	$ 31,144	$ 42,434
Long-term Investments	9,487	11,654
Other Marketable Equity Securities [Member]
Equity Securities, FV-NI, Current	5,186	3,630
Mutual Fund [Member]
Equity Securities, FV-NI, Current	23,276	23,467
Hedge Funds [Member]
Long-term Investments	2,814	3,563
Other Investments [Member]
Long-term Investments	1,225	2,725
Common Class B [Member] | Zedge Inc [Member]
Equity Securities, FV-NI, Current	488	649
Common Class B [Member] | Rafael Holdings Inc. [Member]
Equity Securities, FV-NI, Current	2,194	12,479
Restricted Common Class B [Member] | Rafael Holdings Inc. [Member]
Equity Securities, FV-NI, Current		2,209
Series C Preferred Stock [Member]
Long-term Investments	2,119	2,465
Series B Convertible Preferred Stock [Member]
Long-term Investments	$ 3,329	$ 2,901

X

- 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 45
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- Definition

The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).

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-Topic 210
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