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Accounts Payable (Tables)
 12 Months Ended
Dec. 31, 2019
Accounts Payables [Abstract]  
Schedule of composition of other accounts payable

    December 31,  
    2019     2018  
    U.S. dollars in thousands  
             
Trade payables     1       8  
Employees, consultants and payroll accruals     26       20  
Accrued expenses     205       225  
                 
      232       253  

 

    December 31,  
    2019     2018  
    U.S. dollars in thousands  
             
U.S. dollars     174       189  
NIS (not linked to the Israeli CPI)     58       64  
                 
      232       253