CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Collaboration arrangement revenue	$ 0	$ 3,205	$ 0	$ 6,152
Operating expenses:
Research and development	13,411	8,017	23,252	15,927
General and administrative	4,508	2,463	9,510	4,873
Total operating expenses	17,919	10,480	32,762	20,800
Loss from operations	(17,919)	(7,275)	(32,762)	(14,648)
Change in fair value of convertible notes	0	1,303	15,890	1,260
Other income (expense), net	2,390	165	2,548	743
Total other income (expense), net	2,390	1,468	18,438	2,003
Loss before provision for income taxes	(15,529)	(5,807)	(14,324)	(12,645)
Loss from equity method investment	(1,449)	0	(1,625)	0
Net loss	$ (16,978)	$ (5,807)	$ (15,949)	$ (12,645)
Net loss per share - basic	$ (1.42)	$ (16.69)	$ (2.46)	$ (36.52)
Net loss per share - diluted	$ (1.42)	$ (16.69)	$ (4.44)	$ (36.52)
Weighted-average common shares - basic	11,964,224	347,936	6,479,752	346,288
Weighted-average common shares - diluted	11,964,224	347,936	7,149,202	346,288