Annual report pursuant to Section 13 and 15(d)

Property and Equipment - Schedule of Components of Property and Equipment (Details)

v3.19.1
Property and Equipment - Schedule of Components of Property and Equipment (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment [Line Items]    
Property and equipment gross $ 2,477 $ 3,694
Less: accumulated depreciation (2,353) (2,248)
Property and equipment, net 124 218
Manufacturing and Lab Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment gross 234 223
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment gross 863 863
Software and Computer Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment gross 745 745
Furniture and Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment gross 635 635
Long-term Assets Held For Sale [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment gross $ 1,228