Consolidated Balance Sheets (Parenthetical) - $ / shares	Jul. 31, 2021	Jul. 31, 2020
Statement of Financial Position [Abstract]
Preferred stock, par value	$ .001	$ .001
Preferred stock, authorized	50,000,000	50,000,000
Preferred stock, issued	0	0
Preferred stock, outstanding	0	0
Common stock, par value	$ .001	$ 0.001
Common stock, shares authorized	250,000,000	250,000,000
Common stock, shares issued	72,818,338	63,078,479
Common stock, shares outstanding	72,818,338	63,078,479