CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Apr. 30, 2021	Jul. 31, 2020
Stockholders' deficit
Common stock, shares par value	$ 0.001	$ 0.001
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares issued	24,177,860	21,461,784
Common stock, shares outstanding	24,177,860	21,461,784
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	218,000	218,000
Preferred stock, shares outstanding	218,000	218,000
Preferred A Stock [Member]
Stockholders' deficit
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	3,000,000	3,000,000
Preferred stock, shares issued	218,000	218,000
Preferred stock, shares outstanding	218,000	218,000
Preferred B Stock [Member]
Stockholders' deficit
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	16,500	16,500
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0