Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Convertible Preferred Shares [Member]	Common Shares [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Loss [Member]
Balance at Dec. 31, 2021	$ 550,033	$ 7,732	$ 783,170	$ 117,495	$ (357,374)	$ (990)
Balance (in Shares) at Dec. 31, 2021		1,016,000	51,634,752
Net loss for the period	(19,670)				(19,670)
Issuance of common shares, net of issuance costs (note 8a)	7,876		$ 7,876
Issuance of common shares, net of issuance costs (note 8a) (in shares)			258,986
Conversion of preferred shares to common shares (note 8b)		$ (7,732)	$ 7,732
Conversion of preferred shares to common shares (note 8b) (in shares)		(1,016,000)	1,016,000
Stock-based compensation expense	$ 3,614			3,614
Issued pursuant to exercise of stock options			$ 1,529	(1,529)
Issued pursuant to exercise of stock options (in Shares)	219,107		149,311
Balance at Mar. 31, 2022	$ 541,853		$ 800,307	119,580	(377,044)	(990)
Balance (in Shares) at Mar. 31, 2022			53,059,049
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 8c)			$ 7,379	(7,379)
Conversion of pre-funded warrants to common shares (note 8c) (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 (note 5)	$ 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