Annual report pursuant to Section 13 and 15(d)

Property and Equipment (Details)

v3.20.1
Property and Equipment (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Property, Plant and Equipment [Line Items]    
Depreciation expense $ 59 $ 62
Minimum | Property, Plant and Equipment    
Property, Plant and Equipment [Line Items]    
Estimated useful lives 3 years  
Maximum | Property, Plant and Equipment    
Property, Plant and Equipment [Line Items]    
Estimated useful lives 7 years