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Other Current Liabilities (Tables)
12 Months Ended
Dec. 31, 2019
Other Liabilities Disclosure [Abstract]  
Schedule of Other Current Liabilities

Other Current Liabilities   US dollars  
    December 31,  
    2019     2018  
             
Employees and related institutions     195,845       239,964  
Accrued expenses and other     400,242       917,386  
      596,087       1,157,350