Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Share capital - Additional Information (Details)

v3.21.1
Share capital - Additional Information (Details)
3 Months Ended 6 Months Ended 12 Months Ended
Dec. 30, 2020
USD ($)
shares
Jun. 10, 2020
USD ($)
$ / shares
shares
Mar. 24, 2021
shares
Sep. 24, 2020
USD ($)
shares
Dec. 31, 2020
CAD ($)
$ / shares
shares
Dec. 31, 2020
USD ($)
shares
Dec. 31, 2019
$ / shares
shares
Dec. 31, 2019
USD ($)
shares
Dec. 31, 2018
USD ($)
shares
Dec. 31, 2017
USD ($)
shares
Dec. 21, 2020
USD ($)
Jul. 13, 2020
USD ($)
Mar. 27, 2020
USD ($)
Disclosure of classes of share capital [line items]                          
Shares issued pursuant to exercise of warrants           $ 32,324,496   $ 3,634,734          
Shares issued for stock option exercised           402,619   55,915 $ 9,853        
Loss for the year           $ (63,046,905)   $ (23,212,698) $ (7,745,313)        
Weighted average number of common shares outstanding | shares         58,352,766 58,352,766   35,998,152 26,582,664        
Stock-based compensation expense           $ 6,260,985   $ 5,147,573 $ 2,491,078        
Share issue related cost           $ (5,046,283)              
Consultant [Member]                          
Disclosure of classes of share capital [line items]                          
Increase (decrease) in number of shares outstanding | shares 7,520,000     28,978,936                  
Number of common shares issued | shares 7,520,000     28,978,936                  
Investors [Member]                          
Disclosure of classes of share capital [line items]                          
Maximum aggregate offering price                     $ 100,000,000 $ 59,500,000 $ 30,000,000
Increase (decrease) in number of shares outstanding | shares   10,000,000                      
Number of common shares issued | shares   10,000,000                      
Employee Stock Options Exercise [Member]                          
Disclosure of classes of share capital [line items]                          
Share issue related cost $ 1,444,088 $ 1,350,000   $ 1,786,315                  
Stock options                          
Disclosure of classes of share capital [line items]                          
Maximum number of common shares reserved for issuance | shares         30,000,000 30,000,000              
Stock options exercisable period         10 years 10 years              
Stock Option Exercise Period Not Later Than Ninety Days         90 years 90 years              
Weighted average share price, share options granted | $ / shares         $ 1.58   $ 1.17            
Stock-based compensation expense           $ 5,559,181   5,147,573   $ 2,491,078      
Stock options | Share transaction                          
Disclosure of classes of share capital [line items]                          
Increase (decrease) in number of shares outstanding | shares     1,058,724                    
Number of common shares issued | shares     1,058,724                    
RSUs                          
Disclosure of classes of share capital [line items]                          
Stock-based compensation expense           548,538   0 0        
DSUs                          
Disclosure of classes of share capital [line items]                          
Stock-based compensation expense           $ 153,266   $ 0 $ 0        
Share capital                          
Disclosure of classes of share capital [line items]                          
Number of shares issued | shares         89,309,563 89,309,563 0 0          
Number of shares outstanding | shares         89,309,563 89,309,563 37,049,374 37,049,374 32,332,343 23,794,106      
Shares issued pursuant to exercise of warrants           $ 32,597,096   $ 3,634,734          
Number of shares issued for stock option exercised | shares         518,864 518,864   137,304 6,198        
Shares issued for stock option exercised           $ 950,971   $ 83,382 $ 24,800        
Shares issued pursuant to exercise of warrants (in shares) | shares         5,242,389 5,242,389   1,116,323          
Share issued price | $ / shares   $ 2.00                      
Proceeds from issuing shares $ 53,441,008 $ 20,000,000   $ 59,499,993                  
Share issue related cost         $ (5,046,283)                
Share Issued Price Per Share | $ / shares   $ 2.00