Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Operating expenses:
Research and development	$ 126,172	$ 78,225
General and administrative	40,998	23,787
Total operating expenses	167,170	102,012
Loss from operations	(167,170)	(102,012)
Other income (expense):
Interest income	20,714	7,979
Interest expense	(7,626)	(3,786)
Other income, net	1,935	1,830
Total other income	15,023	6,023
Loss before provision for income taxes	(152,147)	(95,989)
Provision for income taxes	(1)	(1)
Net loss	(152,148)	(95,990)
Other comprehensive income:
Change in unrealized gains and losses on marketable securities	142	251
Comprehensive loss	$ (152,006)	$ (95,739)
Net loss per share attributable to common stockholders, basic	$ (2.75)	$ (2.25)
Net loss per share attributable to common stockholders, diluted	$ (2.75)	$ (2.25)
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic	55,326,680	42,707,072
Weighted-average shares used in computing net loss per share attributable to common stockholders, diluted	55,326,680	42,707,072