Share Capital (Tables)

3 Months Ended

Mar. 31, 2024

Share-Based Payment Arrangement [Abstract]

Schedule Of Pre-Funded Warrants Activity

The following table summarizes the pre-funded warrants activity for the three months ended March 31, 2024 and 2023:

	Three Months Ended March 31,
	2024		2023
Outstanding, beginning of period		2,173,081		3,103,864
Exercised		—		(425,003	)
Outstanding, end of period		2,173,081		2,678,861

Stock Option Activity

The following table presents stock option activity for the three months ended March 31, 2024 and 2023:

	Three Months Ended March 31,
	2024			Weighted Average Exercise Price ($)		2023			Weighted Average Exercise Price ($)
Outstanding, beginning of period		8,894,502			23.56		7,117,782			18.75
Granted		1,983,525			44.53		1,866,548			34.29
Exercised(1)		(180,424	)		23.42		(113,677	)		6.49
Forfeited, cancelled or expired		(18,911	)		30.87		(73,400	)		28.49
Outstanding, end of period		10,678,692			27.45		8,797,253			22.12
Exercisable, end of period		5,419,295			18.27		4,104,317			14.04

(1)During the three months ended March 31, 2024, the Company issued 88,704 (2023 – 94,319) common shares for the cashless exercise of 180,424 (2023 – 113,677) stock options.

Fair Value Assumptions for Stock Options

The fair value of each stock option granted is estimated using the Black-Scholes option-pricing model with the following weighted-average assumptions:

	Three Months Ended March 31,
	2024			2023
Average risk-free interest rate		4.05	%		3.87	%
Expected volatility		67	%		69	%
Average expected term (in years)		5.92			6.13
Expected dividend yield		0	%		0	%
Weighted average fair value of stock options granted	$	27.89		$	22.19