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Interim Consolidated Balance Sheets (Parenthetical) - $ / shares
9 Months Ended 12 Months Ended
Aug. 31, 2021
Nov. 30, 2020
Interim Consolidated Balance Sheets    
Unlimited common shares authorized Unlimited Unlimited
Common Stock, No Par Value $ 0 $ 0
Common Stock, Shares, Issued 144,451,485 144,137,850
Common Stock, Shares, Outstanding 144,451,485 144,137,850