Basis of Presentation (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2021	Jan. 31, 2020	Jul. 31, 2020
Basis of Presentation (Textual)
Treasury shares, description			As a result of entering into various convertible debt instruments which contained a variable conversion feature with no floor, warrants with fixed exercise price, and convertible notes with fixed conversion price or with a conversion price floor, we reserved 22,000,000 treasury shares for consideration for future conversions and exercise of warrants.
Contract assets	$ 3,250		$ 3,250		$ 5,980
Deferred income	68,000		68,000		148,000
Customer deposits balance	131,000		131,000		$ 131,000
Sales commissions			260,050	$ 33,448
Net loss attributable to the noncontrolling interest	$ (30,000)	$ (44,000)	$ (65,000)	$ (57,000)