Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Operating expenses:
Research and development	$ 46,319	$ 23,485	$ 74,082	$ 47,189
Selling, general and administrative	15,091	7,367	27,274	15,125
Total operating expenses	61,410	30,852	101,356	62,314
Loss from operations	(61,410)	(30,852)	(101,356)	(62,314)
Other income (expense), net:
Interest income	7,057	4,573	13,937	9,092
Interest expense	(910)	0	(1,807)	0
Other income (expense)	68	(13)	65	(14)
Total other income (expense), net	6,215	4,560	12,195	9,078
Loss before income taxes	(55,195)	(26,292)	(89,161)	(53,236)
Income tax expense	(52)	(60)	(171)	(65)
Net loss	$ (55,247)	$ (26,352)	$ (89,332)	$ (53,301)
Net loss per share, basic	$ (1.58)	$ (1.03)	$ (2.61)	$ (2.11)
Net loss per share, diluted	$ (1.58)	$ (1.03)	$ (2.61)	$ (2.11)
Weighted-average common shares outstanding-basic	35,024,592	25,649,043	34,179,364	25,229,456
Weighted-average common shares outstanding-diluted	35,024,592	25,649,043	34,179,364	25,229,456
Comprehensive loss:
Net loss	$ (55,247)	$ (26,352)	$ (89,332)	$ (53,301)
Other comprehensive income:
Foreign currency translation adjustments	(15)	6	(1)	6
Unrealized gain on marketable securities	(247)	(66)	(15)	(66)
Total other comprehensive loss	(262)	(60)	(16)	(60)
Comprehensive loss	$ (55,509)	$ (26,412)	$ (89,348)	$ (53,361)