CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Income Statement [Abstract]
Collaboration arrangement revenue	$ 0	$ (6,651)
Operating expenses:
Research and development	48,143	31,729
General and administrative	17,959	9,875
Total operating expenses	66,102	41,604
Loss from operations	(66,102)	(48,255)
Change in fair value of convertible notes	15,890	(6,193)
Other income (expense), net	4,125	1,023
Total other income (expense), net	20,015	(5,170)
Loss before provision for income taxes and loss from equity method investment	(46,087)	(53,425)
Provision for income taxes	(21)	(318)
Loss from equity method investment	(1,625)	0
Net loss	$ (47,733)	$ (53,743)
Net loss per share - basic	$ (5.12)	$ (153.96)
Net loss per share - diluted	$ (6.58)	$ (153.96)
Weighted-average common shares - basic	9,320,884	349,060
Weighted-average common shares - diluted	9,657,696	349,060