Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenue:
Collaboration agreements	$ 408	$ 166
Operating expenses:
Research and development, net of tax credits	26,458	16,509
General and administrative	8,779	5,237
Total operating expenses	35,237	21,746
Loss from operations	(34,829)	(21,580)
Other income, net
Realized and unrealized loss on foreign exchange	(17)	(31)
Interest income	129	64
Other expense	(8)	(7)
Total other income, net	104	26
Loss before income taxes	(34,725)	(21,554)
Income tax recovery (expense)	(32)	137
Net loss and comprehensive loss	(34,757)	(21,417)
Net loss attributable to common shareholders—basic and diluted	$ (34,757)	$ (21,417)
Net loss per share attributable to common shareholders—basic and diluted	$ (0.83)	$ (0.58)
Weighted-average common shares outstanding—basic and diluted	41,861,613	36,916,734