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

Share capital - Additional Information (Details)

v3.20.1
Share capital - Additional Information (Details) - CAD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Disclosure of classes of share capital [line items]        
Shares cancelled $ 10,000 $ 0    
Shares cancelled (in shares) 50,192 0    
Fair value of shares issued pursuant to exercise of warrants $ 4,802,419 $ 1,639,449    
Shares issued pursuant to exercise of warrants 4,802,419 1,639,449    
Shares issued for stock option exercised 74,101 12,395    
Profit (loss) $ (30,742,311) $ (10,038,145) $ (11,366,372)  
Weighted average number of common shares outstanding 35,998,152 26,582,664 21,818,315  
Stock-based compensation expense $ 6,816,321 $ 3,228,508 $ 889,511  
Number of warrants exercisable 212,500      
Stock options        
Disclosure of classes of share capital [line items]        
Maximum number of common shares reserved for issuance 30,000,000      
Stock options exercisable period 7 years      
Stock Option Exercise Period Not Later Than Ninety Days 90 years      
Weighted average share price, share options granted $ 1.46 $ 2.27    
Share capital        
Disclosure of classes of share capital [line items]        
Number of shares issued 37,049,374 32,332,343    
Number of shares outstanding 37,049,374 32,332,343 23,794,106 20,891,794
Shares issued for cash, net of derivative liability, shares 3,333,334 8,028,521    
Number of transferrable warrants 0 5,411,900    
Fair value of shares issued pursuant to exercise of warrants $ 4,802,419 $ 1,639,449    
Proceeds from issuance of common stock 16,090,029 24,091,775    
Number Of common stock issued for services 140,070 207,000    
Fair value of common shares for services 390,148 1,033,611    
Share issue related cost $ 1,390,932 $ 2,916,165    
Number of warrants exercised 1,116,323 294,232    
Shares issued pursuant to exercise of warrants $ 4,802,419 $ 1,639,449    
Number of shares issued for stock option exercised 137,304 6,198    
Shares issued for stock option exercised $ 110,484 $ 31,669