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2. Summary of Significant Accounting Policies (Tables)
12 Months Ended
Jul. 31, 2021
Accounting Policies [Abstract]  
Schedule of antidilutive shares
   Fiscal Year Ended July 31, 
   2021   2020 
Options to purchase common stock   300,000    375,000 
Equivalent shares of convertible notes into common stock   1,134,000    654,821 
Warrants to purchase common stock   4,139,834    44,500 
Restricted stock units   2,678,181    750,000 
Total potentially dilutive securities   8,852,015    1,824,321