Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.20.4
Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Jan. 31, 2021
Jul. 31, 2020
Statement of Financial Position [Abstract]    
Common stock, shares authorized 100,000,000 100,000,000
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares issued 36,491,976 23,054,474
Common stock, shares outstanding 36,491,976 23,054,474
Warrants issued 2,221,315 3,114,288
Warrants outstanding 2,221,315 3,114,288