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Non-Controlling Interest - Schedule of Non-Controlling Interest (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Noncontrolling Interest [Abstract]    
Non-controlling interest at beginning $ (22) $ 5
Acquisition of non-controlling interest   292
Non-controlling share of net loss (319)
Non-controlling interest at ending $ (22) $ (22)