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Schedule of Equity Investments (Details) (Parenthetical) - shares
12 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Common Class B [Member] | Zedge Inc [Member]    
Number of related party shares received 42,282 42,282
Common Class B [Member] | Rafael Holdings Inc. [Member]    
Number of related party shares received 290,214 246,565
Restricted Common Class B [Member] | Rafael Holdings Inc. [Member]    
Number of related party shares received 43,649