Quarterly report pursuant to Section 13 or 15(d)

Balance Sheets Details - Property and Equipment, net (Details)

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Balance Sheets Details - Property and Equipment, net (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Property, Plant and Equipment [Line Items]      
Property and equipment $ 44,133   $ 43,048
Less: accumulated depreciation and amortization (33,737)   (33,373)
Property and equipment, net 10,396   9,675
Depreciation 659 $ 438  
Laboratory equipment [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment 27,491   25,468
Leasehold improvements [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment 10,785   10,785
Computer equipment and software [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment 3,236   3,192
Office equipment and furniture [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment 1,246   1,246
Construction in progress [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment $ 1,375   $ 2,357