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Segment Reporting - Schedule of Reconciliation of Segment Data to Consolidated Net Loss Before Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Segment Reporting [Abstract]        
Total net loss before income taxes for reportable segments $ 33 $ (110) $ (29) $ (194)
Unallocated cost of corporate headquarters (237) (461) (436) (797)
Consolidated loss before income taxes $ (204) $ (571) $ (465) $ (991)