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Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Jan. 31, 2019
Jul. 31, 2018
Statement of Financial Position [Abstract]    
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 75,000,000 75,000,000
Common stock, shares issued 48,436,818 48,286,818
Common stock, shares outstanding 48,436,818 48,286,818