Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.10.0.1
Consolidated Balance Sheets (Parenthetical) - $ / shares
Jul. 31, 2018
Jul. 31, 2017
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 53,511,626 21,618,194
Common stock, shares outstanding 53,511,626 21,618,194
Warrants issued 8,958,059 9,044,740
Warrants outstanding 8,958,059 9,044,740