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

Share capital - Options outstanding (Details)

v3.20.1
Share capital - Options outstanding (Details) - Stock options
12 Months Ended
Dec. 31, 2019
$ / shares
shares
Dec. 31, 2019
$ / shares
shares
Disclosure of classes of share capital [line items]    
Number of options outstanding 12,908,315 12,908,315
Number of options exercisable 5,934,036 5,934,036
Exercise price $ 0.30    
Disclosure of classes of share capital [line items]    
Exercise price | $ / shares   $ 0.30
Weighted average contractual life 2 years 5 months 12 days  
Number of options outstanding 2,045,455 2,045,455
Number of options exercisable 2,045,455 2,045,455
Exercise price $ 0.30    
Disclosure of classes of share capital [line items]    
Exercise price | $ / shares   $ 0.30
Weighted average contractual life 2 years 7 months 13 days  
Number of options outstanding 229,545 229,545
Number of options exercisable 229,545 229,545
Exercise price $ 0.80    
Disclosure of classes of share capital [line items]    
Exercise price | $ / shares   $ 0.80
Weighted average contractual life 2 years 11 months 9 days  
Number of options outstanding 621,013 621,013
Number of options exercisable 621,013 621,013
Exercise price $ 0.80    
Disclosure of classes of share capital [line items]    
Exercise price | $ / shares   $ 0.80
Weighted average contractual life 3 years 2 months 5 days  
Number of options outstanding 12,500 12,500
Number of options exercisable 11,979 11,979
Exercise price $ 2.00    
Disclosure of classes of share capital [line items]    
Exercise price | $ / shares   $ 2.00
Weighted average contractual life 3 years 5 months 19 days  
Number of options outstanding 12,500 12,500
Number of options exercisable 11,197 11,197
Exercise price $ 2.00    
Disclosure of classes of share capital [line items]    
Exercise price | $ / shares   $ 2.00
Weighted average contractual life 4 years 1 month 17 days  
Number of options outstanding 344,576 344,576
Number of options exercisable 323,527 323,527
Exercise price $ 2.00    
Disclosure of classes of share capital [line items]    
Exercise price | $ / shares   $ 2.00
Weighted average contractual life 4 years 7 months 10 days  
Number of options outstanding 50,000 50,000
Number of options exercisable 30,212 30,212
Exercise price $ 9.60 USD    
Disclosure of classes of share capital [line items]    
Exercise price | $ / shares $ 9.60  
Weighted average contractual life 5 years 7 days  
Number of options outstanding 189,892 189,892
Number of options exercisable 109,828 109,828
Exercise price $ 6.18 USD    
Disclosure of classes of share capital [line items]    
Exercise price | $ / shares $ 6.18  
Weighted average contractual life 5 years 7 months 10 days  
Number of options outstanding 175,000 175,000
Number of options exercisable 126,565 126,565
Exercise price $ 1.53 USD    
Disclosure of classes of share capital [line items]    
Exercise price | $ / shares $ 1.53  
Weighted average contractual life 3 years 10 months 21 days  
Number of options outstanding 120,000 120,000
Number of options exercisable 120,000 120,000
Exercise price $ 5.00 USD    
Disclosure of classes of share capital [line items]    
Exercise price | $ / shares $ 5.00  
Weighted average contractual life 3 years 11 months 1 day  
Number of options outstanding 352,834 352,834
Number of options exercisable 352,834 352,834
Exercise price $ 3.40 USD    
Disclosure of classes of share capital [line items]    
Exercise price | $ / shares $ 3.40  
Weighted average contractual life 6 years 2 months 19 days  
Number of options outstanding 1,228,182 1,228,182
Number of options exercisable 1,198,182 1,198,182
Exercise price $ 2.62 USD    
Disclosure of classes of share capital [line items]    
Exercise price | $ / shares $ 2.62  
Weighted average contractual life 2 years 5 months 23 days  
Number of options outstanding 700,000 700,000
Number of options exercisable 0 0
Exercise price $ 2.45 USD    
Disclosure of classes of share capital [line items]    
Exercise price | $ / shares $ 2.45  
Weighted average contractual life 6 years 7 months 6 days  
Number of options outstanding 1,250,000 1,250,000
Number of options exercisable 520,834 520,834
Exercise Price $2.53 USD    
Disclosure of classes of share capital [line items]    
Exercise price | $ / shares $ 2.53  
Weighted average contractual life 6 years 7 months 10 days  
Number of options outstanding 181,818 181,818
Number of options exercisable 54,920 54,920
Exercise Price $1.80 USD    
Disclosure of classes of share capital [line items]    
Exercise price | $ / shares $ 1.80  
Weighted average contractual life 6 years 9 months 18 days  
Number of options outstanding 120,000 120,000
Number of options exercisable 20,000 20,000
Exercise Price $1.91 USD    
Disclosure of classes of share capital [line items]    
Exercise price | $ / shares $ 1.91  
Weighted average contractual life 6 years 11 months 9 days  
Number of options outstanding 5,275,000 5,275,000
Number of options exercisable 157,945 157,945