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Share capital (Details Narrative)
$ / shares in Units, $ in Thousands, $ in Thousands
 6 Months Ended
Jun. 30, 2022
CAD ($)
$ / shares
shares
Jun. 30, 2022
USD ($)
shares
Dec. 31, 2021
CAD ($)
Statement [Line Items]      
Equity reserves share capital $ 19,767   $ 18,640
Options      
Statement [Line Items]      
Shares issued | shares 5,834 5,834  
Weighted average exercise price | $ / shares $ 0.86    
Gross proceeds $ 5    
Equity reserves share capital   $ 1  
Warrants      
Statement [Line Items]      
Shares issued | shares 101,042 101,042  
Weighted average exercise price | $ / shares $ 1.46    
Gross proceeds $ 147    
Equity reserves share capital   $ 12  
February 2020 Offering      
Statement [Line Items]      
Shares issued | shares 13,750,000 13,750,000  
Gross proceeds $ 11,000    
Share price per unit | $ / shares $ 0.80    
Share issue costs $ 136