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Segment Reporting and Geographic Information - Schedule of Reconciliation of Segment Data to Consolidated Net Loss Before Income Taxes (Details) (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Stock compensation expense $ 26 $ 22
Former Director Loans [Member]    
Interest expense debt $ 26 $ 107