CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Revenue from collaborations	$ 19	$ 2,154	$ 311	$ 7,329
Revenue from customers	1,250	1,085	3,005	5,519
Operating expenses:
Research and development	16,774	15,867	54,238	50,783
General and administrative	4,626	6,443	17,669	24,195
Total operating expenses	21,400	22,310	71,907	74,978
Loss from operations	(20,131)	(19,071)	(68,591)	(62,130)
Interest and other income, net	963	1,059	19,834	3,168
Loss before income tax expense	(19,168)	(18,012)	(48,757)	(58,962)
Income tax expense	(91)	(29)	(304)	(825)
Net loss	(19,259)	(18,041)	(49,061)	(59,787)
Other comprehensive income:
Unrealized gain on available-for-sale securities	83		32	96
Other comprehensive income	83		32	96
Comprehensive loss	$ (19,176)	$ (18,041)	$ (49,029)	$ (59,691)
Net loss per share, basic	$ (3.07)	$ (10.37)	$ (7.84)	$ (34.59)
Net loss per share, diluted	$ (3.07)	$ (10.37)	$ (7.84)	$ (34.59)
Weighted average shares of common stock, basic	6,272,291	1,739,847	6,258,706	1,728,282
Weighted average shares of common stock, diluted	6,272,291	1,739,847	6,258,706	1,728,282