CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Operating expenses
Research and development	$ 10,824	$ 18,130	$ 37,894	$ 53,127
General and administrative	4,224	5,271	14,201	18,009
Total operating expenses	15,048	23,401	52,095	71,136
Loss from operations	(15,048)	(23,401)	(52,095)	(71,136)
Other income
Interest and other income, net	628	256	1,829	439
Total other income	628	256	1,829	439
Net loss	(14,420)	(23,145)	(50,266)	(70,697)
Other comprehensive loss
Unrealized gain (loss) on marketable securities	50	(1)	528	(580)
Comprehensive loss	$ (14,370)	$ (23,146)	$ (49,738)	$ (71,277)
Net loss per share, basic	$ (0.27)	$ (0.48)	$ (0.97)	$ (1.46)
Net loss per share, diluted	$ (0.27)	$ (0.48)	$ (0.97)	$ (1.46)
Weighted average common shares outstanding, basic	52,565,333	48,448,399	51,951,123	48,289,501
Weighted average common shares outstanding, diluted	52,565,333	48,448,399	51,951,123	48,289,501