Composition of Certain Financial Statement Items - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 14,517	$ 13,602
Less accumulated depreciation	(5,862)	(5,221)
Total property and equipment, net	8,655	8,381
Laboratory equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	12,008	11,208
Computers and software
Property Plant And Equipment [Line Items]
Property and equipment, gross	242	127
Office furniture and equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	1,979	1,979
Leasehold improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 288	$ 288