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CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
General and administrative $ 83 $ 93 $ 359 $ 342
Related Parties [Member]        
General and administrative $ 67 $ 63 $ 201 $ 174