Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.10.0.1
Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Jan. 31, 2019
Jul. 31, 2018
Statement of Financial Position [Abstract]    
Common stock, shares authorized 160,000,000 160,000,000
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares issued 64,621,352 53,511,626
Common stock, shares outstanding 64,621,352 53,511,626
Warrants issued 8,928,905 8,958,059
Warrants outstanding 8,928,905 8,958,059