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)	113,677	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, 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)	180,424	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