Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment, Net - Schedule of Property and Equipment and Related Accumulated Depreciation (Details)

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Property and Equipment, Net - Schedule of Property and Equipment and Related Accumulated Depreciation (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Property Plant And Equipment [Line Items]    
Property and equipment, gross $ 983 $ 935
Less: accumulated depreciation (845) (514)
Property and equipment, net 138 421
Leasehold Improvements    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 637 592
Furniture and Fixtures    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 86 120
Laboratory Equipment    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 120 86
Computer Equipment    
Property Plant And Equipment [Line Items]    
Property and equipment, gross $ 140 $ 137