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SHARE CAPITAL - Disclosure of share based payments included in the consolidated statements of comprehensive loss (Details) - CAD ($)
4 Months Ended 12 Months Ended
Sep. 30, 2019
Sep. 30, 2021
Sep. 30, 2020
Disclosure of classes of share capital [line items]      
Share-based compensation expense $ 0 $ 880,615 $ 161,300
Consulting fees [Member]      
Disclosure of classes of share capital [line items]      
Share-based compensation expense 0 8,045 0
Directors' compensation [Member]      
Disclosure of classes of share capital [line items]      
Share-based compensation expense 0 136,612 0
Marketing, advertising and investor relations [Member]      
Disclosure of classes of share capital [line items]      
Share-based compensation expense 0 3,696 0
Professional fees [Member]      
Disclosure of classes of share capital [line items]      
Share-based compensation expense 0 23,126 0
Research and development [Member]      
Disclosure of classes of share capital [line items]      
Share-based compensation expense $ 0 $ 709,136 $ 161,300