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Stockholders' Equity (Tables)
9 Months Ended
Apr. 30, 2021
Equity [Abstract]  
Schedule of Issuance of common stock payable
    Common Stock Payable
Balance as of July 31, 2020   $ 10,079,449  
Issuance of common stock payable     (1,472,826 )
Change in fair value of common stock payable     (102,382 )
Balance as of April 30, 2021   $ 8,504,241