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COMMITMENTS AND CONTINGENCIES (Tables)
12 Months Ended
Dec. 31, 2017
Commitments and Contingencies Disclosure [Abstract]  
Schedule of future minimum lease payments under non-cancelable operating lease
  2018     $ 752  
  2019       337  
  2020       151  
  2021       129  
  2022       122  
  Thereafter       447  
        $ 1,938