Significant Accounting Policies - Schedule of Useful Lives of Property and Equipment for Purpose of Computing Depreciation (Details)	12 Months Ended
	Jul. 31, 2021
Computers and Equipment [Member] | Minimum [Member]
Property and equipment useful lives	3 years
Computers and Equipment [Member] | Maximum [Member]
Property and equipment useful lives	10 years
Computer Software [Member] | Minimum [Member]
Property and equipment useful lives	1 year
Computer Software [Member] | Maximum [Member]
Property and equipment useful lives	3 years
Leasehold Improvements [Member]
Property and equipment useful lives description	Shorter of lease period or useful life