Annual report pursuant to Section 13 and 15(d)

Property and Equipment (Details)

v3.22.1
Property and Equipment (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross $ 1,817 $ 3,166
Less accumulated depreciation and amortization (1,397) (2,548)
Property and equipment, net 420 618
Furniture and office equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 132 388
Leasehold improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 0 408
Laboratory equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 1,108 1,108
Computer equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross $ 577 $ 1,262