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Accrued Severance Pay, Net (Tables)
12 Months Ended
Dec. 31, 2018
Payables and Accruals [Abstract]  
Schedule of amounts funded with managers' insurance policies
  December 31,  
    2018     2017  
Accrued severance pay   $ 208     $ 249  
Less - amount funded     (98 )     (116 )
    $ 110     $ 133