Quarterly report pursuant to Section 13 or 15(d)

Selected Balance Sheet Information - Schedule of property, plant and equipment, net (Details)

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Selected Balance Sheet Information - Schedule of property, plant and equipment, net (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Property and equipment, net    
Property and equipment, Gross $ 1,302 $ 1,302
Less accumulated depreciation and amortization (817) (695)
Total 485 607
Computers and office equipment [Member]    
Property and equipment, net    
Property and equipment, Gross 852 852
Leasehold Improvements [Member]    
Property and equipment, net    
Property and equipment, Gross 439 439
Software [Member]    
Property and equipment, net    
Property and equipment, Gross $ 11 $ 11