v3.22.2.2
DERIVATIVE LIABILITIES - Schedule of changes in the carrying value of derivative warrant liabilities (Details) - CAD ($)
$ in Thousands
 12 Months Ended
Aug. 31, 2022
Aug. 31, 2021
Disclosure of financial liabilities [line items]    
Warrants outstanding, beginning of period (in shares) 16,943,650  
Warrants outstanding, end of period (in shares) 16,943,650 16,943,650
Liabilities at beginning of period $ 74,212  
Liabilities at end of period 69,049 $ 74,212
Derivative liability, warrants    
Disclosure of financial liabilities [line items]    
Liabilities at beginning of period 35,019  
Revaluation of Warrants (30,881) 29,257
Liabilities at end of period $ 4,138 $ 35,019