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Short-Term Bank Loans (Tables)
12 Months Ended
Dec. 31, 2019
Debt Disclosure [Abstract]  
Schedule of short-term bank loans
   Interest rate
as of
December 31,
     Total short-term liabilities 
   2018  Linkage  December 31, 
   %  basis  2019   2018 
Due to banks  Prime plus 2.45%
Prime plus 2.5%
  NIS  $-   $2,330 
Current portion         -    476 
         $-   $2,806