Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Condensed Consolidated Statements of Operations and Comprehensive Loss
Collaboration revenue	$ 2,364	$ 4,263	$ 3,393	$ 6,627
Operating expenses:
In-process research and development	6,312		118,266
Research and development	29,083	5,716	44,452	9,629
General and administrative	6,978	4,320	12,983	7,242
Total operating expenses	42,373	10,036	175,701	16,871
Loss from operations	(40,009)	(5,773)	(172,308)	(10,244)
Interest income	3,887	216	6,694	417
Net loss	$ (36,122)	$ (5,557)	$ (165,614)	$ (9,827)
Per share information:
Net loss per share, Basic	$ (0.60)	$ (0.46)	$ (2.97)	$ (0.81)
Net loss per share, Diluted	$ (0.60)	$ (0.46)	$ (2.97)	$ (0.81)
Weighted-average shares outstanding, Basic	59,936,703	12,197,801	55,740,543	12,190,182
Weighted-average shares outstanding, Diluted	59,936,703	12,197,801	55,740,543	12,190,182
Comprehensive loss:
Net loss	$ (36,122)	$ (5,557)	$ (165,614)	$ (9,827)
Unrealized loss on marketable securities	(2)		(20)
Comprehensive loss	$ (36,124)	$ (5,557)	$ (165,634)	$ (9,827)