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Other Current Assets (Tables)
12 Months Ended
Dec. 31, 2019
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Summary of other current assets
  December 31, 
   2019   2018 
         
Prepaid expenses  $92   $97 
Receivables from governmental authorities   26    75 
Other receivable (Note 3)   260    - 
Other   -    8 
           
   $378   $180