Property and Equipment, Net - Summary of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 4,551	$ 4,449
Less: accumulated depreciation	(3,707)	(3,624)
Property and equipment, net	844	825
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment	432	432
Office equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	1,537	1,537
Laboratory equipment and software
Property, Plant and Equipment [Line Items]
Total property and equipment	1,494	1,494
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment	1,082	979
Construction in process
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 6	$ 7