Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Operating expenses
Research and development	$ 32,361	$ 12,305
General and administrative	12,876	7,279
Total operating expenses	45,237	19,584
Loss from operations	(45,237)	(19,584)
Other income (expense)
Interest income, net	2,392	84
Other income (expense), net	(11)	51
Change in fair value of preferred stock tranche rights liability and preferred stock warrant liability	0	(81,157)
Total other income (expense)	2,381	(81,022)
Net loss	(42,856)	(100,606)
Other comprehensive loss
Unrealized loss on marketable securities	(520)	(231)
Comprehensive loss	$ (43,376)	$ (100,837)
Net loss per common share, basic (in dollars per share)	$ (1.06)	$ (5.02)
Net loss per common share, diluted (in dollars per share)	$ (1.06)	$ (5.02)
Weighted-average shares outstanding, basic (in shares)	40,601,936	20,057,534
Weighted-average shares outstanding diluted (in shares)	40,601,936	20,057,534