Schedule of Equity Investments (Details) (Parenthetical) - shares	12 Months Ended
	Jul. 31, 2021	Jul. 31, 2020
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	246,565	27,806
Restricted Common Class B [Member] | Rafael Holdings Inc. [Member]
Number of related party shares received	43,649