Balance Sheet Details (Property and Equipment) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 24,380	$ 14,720
Less: accumulated depreciation and amortization	(11,821)	(11,103)
Property and equipment, net	12,559	3,617
Laboratory and manufacturing equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	19,678	10,007
Office and computer equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	438	449
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment	817	817
Leasehold Improvements
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 3,447	$ 3,447