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Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jan. 31, 2021
Accounting Policies [Abstract]  
Schedule of revenue recognized
    Three months ended January 31,   Six months ended January 31,
Revenue Source   2021   2020   2021   2020
Product sales   $ —       $ 848,805     $ 88,435     $ 1,562,210  
Management services     —         8,622       —         16,878  
Total revenue   $ —       $ 857,427     $ 88,435     $ 1,579,088