Supplemental Balance Sheet Information - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Supplemental Balance Sheet Information [Line Items]
Property and equipment, gross	$ 18,601	$ 19,725
Less: accumulated depreciation and amortization	(17,307)	(15,869)
Property and equipment, net	1,294	3,856
Leasehold Improvements [Member]
Supplemental Balance Sheet Information [Line Items]
Property and equipment, gross	930	904
Lab Equipment [Member]
Supplemental Balance Sheet Information [Line Items]
Property and equipment, gross	14,446	15,540
Machinery and Equipment [Member]
Supplemental Balance Sheet Information [Line Items]
Property and equipment, gross	572	572
Computer Equipment and Software [Member]
Supplemental Balance Sheet Information [Line Items]
Property and equipment, gross	1,381	1,279
Furniture and Fixtures [Member]
Supplemental Balance Sheet Information [Line Items]
Property and equipment, gross	1,272	1,272
Construction in Progress [Member]
Supplemental Balance Sheet Information [Line Items]
Property and equipment, gross	$ 0	$ 158