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Equity Investments (Details) - Schedule of equity investments (Parentheticals) - Common Stock Class B [Member] - shares	12 Months Ended
	Jul. 31, 2020	Jul. 31, 2019
Zedge, Inc. [Member]
Equity Investments (Details) - Schedule of equity investments (Parentheticals) [Line Items]
Class B common stock, shares	42,282	42,282
Rafael Holdings, Inc [Member]
Equity Investments (Details) - Schedule of equity investments (Parentheticals) [Line Items]
Class B common stock, shares	27,806	27,419

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The Number of related party shares received in connection with restricted stock.

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