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Warrants reserve (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Aug. 31, 2022
Aug. 31, 2021
Aug. 31, 2020
IfrsStatementLineItems [Line Items]      
Dividend yield 0.00%    
Risk free interest 3.35%    
Weighted average exercise price $ 0.72 $ 0.94 $ 1.19
Weighted average remaining contractual life of outstanding share options 3 years 7 months 6 days    
Five Year Warrants [Member]      
IfrsStatementLineItems [Line Items]      
Issaunce of warrants 17,948,718 16,461,539  
Warrant excsersie price $ 0.44 $ 0.80  
Fair value warrant $ 2,670    
Five Year Warrants 1 [Member]      
IfrsStatementLineItems [Line Items]      
Issaunce of warrants 628,205    
Five Year Warrants One [Member]      
IfrsStatementLineItems [Line Items]      
Issaunce of warrants 17,948,718 16,461,539  
Fair value warrant   $ 7,800  
Dividend yield 0.00% 0.00%  
Risk free interest 1.65% 0.46%  
Volatility 52.00% 62.00%  
Expected life 60 months 60 months  
Five Year Warrants Two [Member]      
IfrsStatementLineItems [Line Items]      
Issaunce of warrants 628,205 1,152,307  
Fair value warrant $ 90 $ 500  
Dividend yield 0.00% 0.00%  
Risk free interest 1.65% 0.46%  
Volatility 52.00% 62.00%  
Expected life 60 months 60 months  
Three Year Warrants [Member]      
IfrsStatementLineItems [Line Items]      
Issaunce of warrants   2,777,268  
Warrant excsersie price   $ 1.50  
Five Years Warrants [Member]      
IfrsStatementLineItems [Line Items]      
Issaunce of warrants   1,152,307  
Three Year Warrants One [Member]      
IfrsStatementLineItems [Line Items]      
Issaunce of warrants   2,777,268  
Fair value warrant   $ 400  
Dividend yield   0.00%  
Risk free interest   0.18%  
Volatility   69.00%  
Expected life   36 months  
Warrants [Member]      
IfrsStatementLineItems [Line Items]      
Weighted average exercise price $ 0.72