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PREPAID EXPENSES (Tables)
 9 Months Ended
Apr. 30, 2022
Disclosure Prepaid Expenses [Abstract]  
Schedule of Prepaid Expenses [Table Text Block]
    April 30, 2022     July 31, 2021  
Insurance $ 10,232   $ 74,862  
Deposits   256,974     263,779  
Other   23,131     393  
  $ 290,337   $ 339,034