Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue:
Collaboration agreements	$ 112,545	$ 278	$ 113,632	$ 723
Operating expenses:
Research and development, net of tax credits	31,242	25,361	89,175	62,075
General and administrative	7,904	6,596	24,621	18,574
Total operating expenses	39,146	31,957	113,796	80,649
Income (loss) from operations	73,399	(31,679)	(164)	(79,926)
Other income (expense), net
Realized and unrealized gain (loss) on foreign exchange	126	33	250	(92)
Interest income	2,027	53	2,700	155
Other expense	(37)	(7)	(56)	(21)
Total other income, net	2,116	79	2,894	42
Income (loss) before income taxes	75,515	(31,600)	2,730	(79,884)
Income tax recovery (expense)	(54)	708	(119)	1,266
Net income (loss)	75,461	(30,892)	2,611	(78,618)
Unrealized loss on available-for-sale marketable securities	(524)	0	(524)	0
Total other comprehensive loss	(524)	0	(524)	0
Comprehensive income (loss)	$ 74,937	$ (30,892)	$ 2,087	$ (78,618)
Net income (loss) per share attributable to common shareholders--basic	$ 1.80	$ (0.83)	$ 0.06	$ (2.12)
Net income (loss) per share attributable to common shareholders-diluted	$ 1.71	$ (0.83)	$ 0.06	$ (2.12)
Weighted-average common shares outstanding-basic	41,945,617	37,122,668	41,902,554	37,026,116
Weighted-average common shares outstanding-diluted	44,177,376	37,122,668	44,160,481	37,026,116