Share Capital - Stock Option Activity (Details) - shares		3 Months Ended				6 Months Ended
		Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Number of Options Outstanding, Beginning balance		7,075,073	5,638,232	5,742,608	4,758,997	5,638,232	4,758,997
Number of Options, Granted		318,000		382,500		1,977,845	1,494,450
Number of Options, Exercised	[1]	(130,031)		(222,331)		(349,138)	(344,734)
Number of Options, Forfeited, cancelled or expired		(28,582)		(131,726)		(32,479)	(137,662)
Number of Options Outstanding, Ending balance		7,234,460	7,075,073	5,771,051	5,742,608	7,234,460	5,771,051
Number of Options Exercisable, End of period		3,464,081		2,842,948		3,464,081	2,842,948

[1] During the six months ended June 30, 2022, no stock options were exercised for cash (six months ended June 30, 2021 – 58,179)  . In the same period, the Company issued 234,783 (six months ended June 30, 2021 – 179,129) common shares for the cashless exercise of 349,138  (six months ended June 30, 2021 – 286,555) stock options.