Condensed 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	$ 11,179	$ 8,309	$ 29,025	$ 21,615
General and administrative	4,860	3,062	13,627	9,374
Total operating expenses	16,039	11,371	42,652	30,989
Loss from operations	(16,039)	(11,371)	(42,652)	(30,989)
Other income (expense)
Interest income, net	3,124	663	6,840	1,000
Other expense, net	(42)	(2)	(62)	(1)
Total other income	3,082	661	6,778	999
Net loss	(12,957)	(10,710)	(35,874)	(29,990)
Other comprehensive gain (loss)
Unrealized gain (loss) on marketable securities	137	0	242	(734)
Comprehensive loss	$ (12,820)	$ (10,710)	$ (35,632)	$ (30,724)
Net loss per common share, basic (in dollars per share)	$ (0.24)	$ (0.26)	$ (0.79)	$ (0.74)
Net loss per common share, diluted (in dollars per share)	$ (0.24)	$ (0.26)	$ (0.79)	$ (0.74)
Weighted-average shares outstanding, basic (in shares)	54,229,630	40,502,860	45,474,953	40,491,181
Weighted-average shares outstanding diluted (in shares)	54,229,630	40,502,860	45,474,953	40,491,181