Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.20.2
Consolidated Balance Sheets (Parenthetical) - $ / shares
Jul. 31, 2020
Jul. 31, 2019
Statement of Financial Position [Abstract]    
Common stock, shares authorized 100,000,000 16,000,000
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares issued 23,054,474 10,633,043
Common stock, shares outstanding 23,054,474 10,633,043
Warrants issued 3,114,288 3,631,953
Warrants outstanding 3,114,288 3,631,953