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Other Current Assets (Tables)
 12 Months Ended
Dec. 31, 2017
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Schedule of Other Current Assets

Other current assets consist of the following:

 

    As of December 31,  
    2017     2016  
Prepaid expenses and deposits   $ 69     $ 83  
Deferred costs     999       829  
Other     22       20  
    $ 1,090     $ 932