Annual report pursuant to Section 13 and 15(d)

Property and Equipment (Details)

v3.20.1
Property and Equipment (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross $ 5,500 $ 5,233
Less accumulated depreciation and amortization (4,683) (4,439)
Property and equipment, net 817 794
Furniture and office equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 388 388
Leasehold improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 408 408
Laboratory equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 3,413 3,249
Computer equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 73 0
Construction in Progress [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross $ 1,218 $ 1,188