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Warrants (Tables)
 6 Months Ended
Apr. 30, 2022
Disclosure of Warrants Explanatory [Abstract]  
Summary Of Warrant
     Number of warrants      $  
At October 31, 2021
      22,999,894        82,109,334  
Three months ended January 31, 2022
                  
Cash exercises
      9,578        22,370  
Cashless exercises
      22,540,651        45,868,706  
Redemptions
      449,665        44,967  
Fair Value Gain on Warrants
               36,173,291  
    
 
 
     
 
 
  
At January 31, 2022
   
 
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At April 30, 2022
   
 
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