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
Mar. 31, 2022
Dec. 31, 2021
Property Plant And Equipment [Line Items]    
Property and equipment, gross $ 377 $ 377
Less: accumulated depreciation (315) (286)
Property and equipment, net 62 91
Leasehold Improvements    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 148 148
Furniture and Fixtures    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 120 120
Laboratory Equipment    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 86 86
Computer Equipment    
Property Plant And Equipment [Line Items]    
Property and equipment, gross $ 23 $ 23