Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment, Net (Details)

v3.19.3.a.u2
Property and Equipment, Net (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2019
Dec. 31, 2018
Property, Plant and Equipment [Line Items]    
Property and equipment $ 3,170 $ 3,170
Less: Accumulated depreciation and amortization (3,023) (2,970)
Property and equipment, net 147 200
Machinery and equipment    
Property, Plant and Equipment [Line Items]    
Property and equipment $ 2,893 2,893
Machinery and equipment | Minimum    
Property, Plant and Equipment [Line Items]    
Useful Life 3 years  
Machinery and equipment | Maximum    
Property, Plant and Equipment [Line Items]    
Useful Life 10 years  
Office furniture and equipment    
Property, Plant and Equipment [Line Items]    
Property and equipment $ 49 49
Office furniture and equipment | Minimum    
Property, Plant and Equipment [Line Items]    
Useful Life 3 years  
Office furniture and equipment | Maximum    
Property, Plant and Equipment [Line Items]    
Useful Life 10 years  
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Property and equipment $ 228 $ 228