Annual report pursuant to Section 13 and 15(d)

Balance Sheet Details - Schedule of Accounts Payable and Accrued Liabilities (Details)

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Balance Sheet Details - Schedule of Accounts Payable and Accrued Liabilities (Details) - USD ($)
Jul. 31, 2018
Jul. 31, 2017
Balance Sheet Related Disclosures [Abstract]    
Research and development costs $ 3,801,211 $ 1,537,892
Professional services fees 770,853 1,584,899
Other 206,828 158,342
Accounts payable and accrued liabilities $ 4,778,892 $ 3,281,133