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Prepaid Expenses and Other Current Assets (Tables)
12 Months Ended
Dec. 31, 2019
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Schedule of prepaid expenses and other current assets

   December 31, 
   2019   2018 
Government institutions  $175   $167 
Prepaid expenses   318    155 
Advances to vendors   246    371 
Other assets   164     
           
   $903   $693