v3.22.2.2
DERIVATIVE LIABILITIES - Warrants Narrative (Details) - CAD ($)
$ / shares in Units, $ in Thousands
 10 Months Ended 12 Months Ended
Dec. 21, 2021
Mar. 10, 2021
Nov. 12, 2020
Aug. 31, 2021
Aug. 31, 2022
Aug. 31, 2021
Nov. 12, 2021
Disclosure of financial liabilities [line items]              
Units issued in the period, gross proceeds     $ 69,143   $ 0 $ 64,839  
Units issued during the period (in shares)     37,375,000     37,375,000  
Units issued in the period, price per unit (in CAD per share)     $ 1.85        
Number of units, including units sold pursuant to the full exercise of the over-allotment option granted (in shares)     4,875,000        
Number of common shares included in each unit (in shares)     1        
Number of warrants issued in each unit that is issued (in shares) 0.5   0.5        
Number of warrants issued in the period (in shares)     18,687,500        
Warrant term         3 years    
Warrant exercise price (in CAD per share)     $ 2.50        
Liabilities       $ 74,212 $ 69,049 $ 74,212  
Share issuance costs     $ 4,305        
Share issue costs allocated to derivative liabilities (Note 13)   $ 1,174     0 803  
Share issue costs allocated to derivative warrants         85 0  
Issued capital       $ 730,803 $ 769,725 $ 730,803 $ 3,502
Number of warrants exercised in the period (shares)       1,743,850 0 1,743,850  
Derivative liability, warrants              
Disclosure of financial liabilities [line items]              
Liabilities     12,894 $ 35,019 $ 4,138 $ 35,019  
Share issue costs allocated to derivative liabilities (Note 13)     $ 803        
Revaluation of Top-up Rights         $ (30,881) $ 29,257  
Derivative liability, warrants | Expected future volatility of Common Shares              
Disclosure of financial liabilities [line items]              
Percentage of reasonably possible increase in unobservable input, liabilities         10.00%    
Increase in fair value measurement due to reasonably possible increase in unobservable input, recognised in profit or loss, after tax, liabilities         $ 1,042    
Percentage of reasonably possible decrease in unobservable input, liabilities         10.00%    
Decrease in fair value measurement due to reasonably possible decrease in unobservable input, recognised in profit or loss, after tax, liabilities         $ (1,015)