Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.19.3.a.u2
Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Oct. 31, 2019
Jul. 31, 2019
Statement of Financial Position [Abstract]    
Common stock, shares authorized 26,000,000 16,000,000
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares issued 10,680,428 10,633,043
Common stock, shares outstanding 10,680,428 10,633,043
Warrants issued 3,631,953 3,631,953
Warrants outstanding 3,631,953 3,631,953