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Share Capital - Stock Option Activity (Details) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]        
Number of Options Outstanding, Beginning balance 7,234,460 5,771,051 5,638,232 4,758,997
Number of Options, Granted 102,000 236,200 2,079,845 1,730,650
Number of Options, Exercised (369,334) (41,974) (718,472) (386,708)
Number of Options, Forfeited, cancelled or expired (21,357) (45,843) (53,836) (183,505)
Number of Options Outstanding, Ending balance 6,945,769 5,919,434 6,945,769 5,919,434
Number of Options Exercisable, End of period 3,391,011 3,068,278 3,391,011 3,068,278