Schedule of Equity Investments (Details) (Parenthetical) - shares	9 Months Ended	12 Months Ended
	Apr. 30, 2022	Jul. 31, 2021
Common Class B [Member] | Zedge Inc [Member]
[custom:NumberOfRelatedPartySharesReceived]		42,282
Common Class B [Member] | Rafael Holdings Inc. [Member]
[custom:NumberOfRelatedPartySharesReceived]	290,214	246,565
Restricted Common Class B [Member] | Rafael Holdings Inc. [Member]
[custom:NumberOfRelatedPartySharesReceived]		43,649