Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Share capital (Details Narrative)

v3.21.2
Share capital (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
6 Months Ended
Feb. 24, 2021
Feb. 02, 2021
Jul. 31, 2021
Jul. 31, 2020
Apr. 26, 2021
Jan. 31, 2021
IfrsStatementLineItems [Line Items]            
Proceeds from issuance of stock     $ 244,059    
Share price         $ 1.00  
Number of warrants outstanding     523,423,000     582,194,000
Maxim Group L L C [Member]            
IfrsStatementLineItems [Line Items]            
Number of shares issued   29,415,000        
Proceeds from issuance of stock   $ 50,000        
Proceeds from issuance of stock   $ 46,900        
Share price   $ 1.70        
Placement fees   $ 3,000        
Equity Distribution Agreement [Member]            
IfrsStatementLineItems [Line Items]            
Number of shares issued     72,117,042      
Commission expense     $ 2,100      
Equity Distribution Agreement [Member] | Maxim Group L L C [Member]            
IfrsStatementLineItems [Line Items]            
Proceeds from issuance of stock     70,860      
Proceeds from issuance of stock     $ 68,600      
Equity Distribution Agreement [Member] | Maxim Group L L C [Member] | Maximum [Member]            
IfrsStatementLineItems [Line Items]            
Aggregate offering price $ 99,500