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

Share Based Payments - Schedule of Stock Options and Weighted Average Exercise Prices (Details)

v3.20.4
Share Based Payments - Schedule of Stock Options and Weighted Average Exercise Prices (Details)
12 Months Ended
Dec. 31, 2020
shares
$ / shares
Dec. 31, 2019
shares
$ / shares
Dec. 31, 2018
shares
$ / shares
Disclosure Of Share-based Payment Arrangements [Abstract]      
Outstanding, beginning of the year (shares) | shares 2,246,947 1,249,361 647,156
Granted during the year (shares) | shares 1,817,500 1,020,000 750,467
Forfeited during the year (shares) | shares (141,418) (12,839) (105,338)
Expired during the year (shares) | shares (25,520) (9,575) (1,122)
Exercised during the year (shares) | shares (133,454) 0 (41,802)
Outstanding, end of the year (shares) | shares 3,764,055 2,246,947 1,249,361
Options exercisable, end of the year (shares) | shares 2,164,551 1,327,845 777,245
Outstanding, beginning of the year (cad per share) | $ / shares $ 5.31 $ 8.73 $ 13.20
Granted during the year (cad per share) | $ / shares 3.19 1.42 4.97
Forfeited during the year (cad per share) | $ / shares 3.84 11.35 11.67
Expired during the year (cad per share) | $ / shares 62.49 29.07 13.78
Exercised during the year (cad per share) | $ / shares 1.81 0 2.96
Outstanding, beginning of the year (cad per share) | $ / shares 4.08 5.31 8.73
Options exercisable, end of the year (cad per share) | $ / shares $ 4.84 $ 7.22 $ 11.04