CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating expenses:
Research and development	$ 30,718	$ 29,067
General and administrative	12,513	14,126
Total operating expenses	43,231	43,193
Loss from operations	(43,231)	(43,193)
Total other income (loss), net:
Interest income	1,325	148
Other income (loss), net	723	(818)
Net loss	$ (41,183)	$ (43,863)
Net loss per share - basic	$ (0.44)	$ (0.69)
Net loss per share - diluted	$ (0.44)	$ (0.69)
Weighted-average common shares outstanding - basic	93,303,672	63,993,053
Weighted-average common shares outstanding - diluted	93,303,672	63,993,053
Comprehensive loss:
Net loss	$ (41,183)	$ (43,863)
Other comprehensive income (loss), net of tax:
Unrealized gain (loss) on available-for-sale securities	167	(195)
Total other comprehensive income (loss)	167	(195)
Comprehensive loss	$ (41,016)	$ (44,058)