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Equity Investments (Details) - USD ($)	3 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Sep. 24, 2020	Jul. 31, 2020	Jun. 30, 2016
Visa Series C Convertible Participating Preferred Stock [Member]
Equity Investments (Details) [Line Items]
Owned shares					1,830
Convertible shares				13.722
Carrying value of shares decreased (in Dollars)	$ 100,000
Carrying value of shares increased (in Dollars)		$ 18,000
Visa Series A Convertible Participating Preferred Stock [Member]
Equity Investments (Details) [Line Items]
Owned shares			125
Convertible shares			6.861
Visa Series A Convertible Participating Preferred Stock [Member] | Visa Class A Common Stock [Member]
Equity Investments (Details) [Line Items]
Owned shares			12,500

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