Selected Quarterly Financial Data (Unaudited) - Summary of Selected Quarterly Financial Data (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating expenses:
Research and development	$ 20,539	$ 18,242	$ 12,582	$ 11,350	$ 11,088	$ 7,886	$ 5,224	$ 3,798	$ 62,713	$ 27,996	$ 3,671
General and administrative	5,737	5,242	4,892	5,050	3,649	4,752	3,211	2,059	20,921	13,671	1,656
Total operating expenses	26,276	23,484	17,474	16,400	14,737	12,638	8,435	5,857	83,634	41,667	5,327
Loss from operations	(26,276)	(23,484)	(17,474)	(16,400)	(14,737)	(12,638)	(8,435)	(5,857)	(83,634)	(41,667)	(5,327)
Interest and other income, net	962	594	216	34	27	32	36	5	1,806	100	3
Net loss	$ (25,314)	$ (22,890)	$ (17,258)	$ (16,366)	$ (14,710)	$ (12,606)	$ (8,399)	$ (5,852)	$ (81,828)	$ (41,567)	$ (5,324)
Net loss per share, basic	$ (0.86)	$ (0.78)	$ (0.59)	$ (0.56)	$ (0.51)	$ (0.43)	$ (0.33)	$ (0.49)	$ (2.80)	$ (1.74)	$ (0.51)
Net loss per share, diluted	$ (0.86)	$ (0.78)	$ (0.59)	$ (0.56)	$ (0.51)	$ (0.43)	$ (0.33)	$ (0.49)	$ (2.80)	$ (1.74)	$ (0.51)
Weighted-average common shares outstanding, basic	29,441,596	29,319,042	29,196,398	29,126,088	29,061,076	29,001,213	25,161,038	11,964,205	29,271,777	23,858,552	10,532,942
Weighted-average common shares outstanding, diluted	29,441,596	29,319,042	29,196,398	29,126,088	29,061,076	29,001,213	25,161,038	11,964,205	29,271,777	23,858,552	10,532,942