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Other Accounts Receivable and Prepaid Expenses (Tables)
12 Months Ended
Dec. 31, 2020
Receivables [Abstract]  
Schedule of other accounts receivable and prepaid expenses
   December 31 
   2020   2019 
         
Government authorities  $26   $129 
Advances to suppliers   580    568 
Derivatives (See Note 11)   -    13 
Prepaid expenses   488    482 
Accrued income   146    22 
Other   71    59 
           
   $1,311   $1,273