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FINANCIAL INSTRUMENTS AND CAPITAL MANAGEMENT (Narrative) (Details)
Sep. 30, 2021
CAD ($)
Sep. 30, 2021
USD ($)
Sep. 30, 2020
CAD ($)
Sep. 30, 2019
CAD ($)
Sep. 30, 2018
CAD ($)
Disclosure of detailed information about financial instruments [line items]          
Cash and cash equivalents $ 19,760,015   $ 799,929 $ 79,991 $ 0
Accounts payable and accrued liabilities 638,573   $ 150,923    
Credit risk [Member]          
Disclosure of detailed information about financial instruments [line items]          
Cash and cash equivalents $ 19,760,015        
Foreign exchange risk [Member]          
Disclosure of detailed information about financial instruments [line items]          
Cash   $ 2,789,264      
Accounts payable and accrued liabilities   $ 420,481      
Percentage of foreign currency fluctuation in US dollar against Canadian dollar 10.00% 10.00%      
Foreign currency fluctuation impact on net comprehensive loss $ 301,807        
Liquidity risk [Member]          
Disclosure of detailed information about financial instruments [line items]          
Cash and cash equivalents 19,760,015        
Accounts payable and accrued liabilities $ 638,573