Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Shares [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Loss [Member]
Balance at Dec. 31, 2022	$ 721,497	$ 1,065,136	$ 142,108	$ (482,747)	$ (3,000)
Balance (in Shares) at Dec. 31, 2022		62,587,701
Net loss for the period	(41,727)			(41,727)
Conversion of pre-funded warrants to common shares (note 9b)		$ 7,379	(7,379)
Conversion of pre-funded warrants to common shares (note 9b) (in shares)		425,000
Stock-based compensation expense	5,994		5,994
Issued pursuant to exercise of stock options		$ 635	(635)
Issued pursuant to exercise of stock options (in Shares)		94,319
Other comprehensive income (loss) (note 6)	1,180				1,180
Balance at Mar. 31, 2023	686,944	$ 1,073,150	140,088	(524,474)	(1,820)
Balance (in Shares) at Mar. 31, 2023		63,107,020
Balance at Dec. 31, 2022	721,497	$ 1,065,136	142,108	(482,747)	(3,000)
Balance (in Shares) at Dec. 31, 2022		62,587,701
Net loss for the period	$ (89,188)
Issued pursuant to exercise of stock options (in Shares)	391,746
Balance at Jun. 30, 2023	$ 646,457	$ 1,083,008	138,683	(571,935)	(3,299)
Balance (in Shares) at Jun. 30, 2023		63,718,350
Balance at Mar. 31, 2023	686,944	$ 1,073,150	140,088	(524,474)	(1,820)
Balance (in Shares) at Mar. 31, 2023		63,107,020
Net loss for the period	(47,461)			(47,461)
Conversion of pre-funded warrants to common shares (note 9b)		$ 7,379	(7,379)
Conversion of pre-funded warrants to common shares (note 9b) (in shares)		425,000
Stock-based compensation expense	8,453		8,453
Issued pursuant to exercise of stock options		$ 2,479	(2,479)
Issued pursuant to exercise of stock options (in Shares)		186,330
Other comprehensive income (loss) (note 6)	(1,479)				(1,479)
Balance at Jun. 30, 2023	646,457	$ 1,083,008	138,683	(571,935)	(3,299)
Balance (in Shares) at Jun. 30, 2023		63,718,350
Balance at Dec. 31, 2023	927,921	$ 1,436,374	156,764	(665,140)	(77)
Balance (in Shares) at Dec. 31, 2023		75,370,977
Net loss for the period	(47,931)			(47,931)
Stock-based compensation expense	9,400		9,400
Issued pursuant to exercise of stock options		$ 2,587	(2,587)
Issued pursuant to exercise of stock options (in Shares)		88,704
Other comprehensive income (loss) (note 6)	(1,692)				(1,692)
Balance at Mar. 31, 2024	887,698	$ 1,438,961	163,577	(713,071)	(1,769)
Balance (in Shares) at Mar. 31, 2024		75,459,681
Balance at Dec. 31, 2023	927,921	$ 1,436,374	156,764	(665,140)	(77)
Balance (in Shares) at Dec. 31, 2023		75,370,977
Net loss for the period	$ (105,855)
Issued pursuant to exercise of stock options (in Shares)	448,069
Balance at Jun. 30, 2024	$ 844,047	$ 1,440,458	176,796	(770,995)	(2,212)
Balance (in Shares) at Jun. 30, 2024		75,667,550
Balance at Mar. 31, 2024	887,698	$ 1,438,961	163,577	(713,071)	(1,769)
Balance (in Shares) at Mar. 31, 2024		75,459,681
Net loss for the period	(57,924)			(57,924)
Stock-based compensation expense	14,716		14,716
Issued pursuant to exercise of stock options		$ 1,497	(1,497)
Issued pursuant to exercise of stock options (in Shares)		207,869
Other comprehensive income (loss) (note 6)	(443)				(443)
Balance at Jun. 30, 2024	$ 844,047	$ 1,440,458	$ 176,796	$ (770,995)	$ (2,212)
Balance (in Shares) at Jun. 30, 2024		75,667,550