Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Financing Income (Expenses), Net (Tables)

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Financing Income (Expenses), Net (Tables)
12 Months Ended
Dec. 31, 2017
Financing Income (Expenses), Net [Abstract]  
Schedule of financing income (expenses), net

    Year ended December 31  
    2017     2016     2015  
    US Dollars  
                   
Change in fair value of warrants liability   $ (1,101,229 )   $ 117,577     $ 35,188  
Inducement related to warrants exercised     (166,500 )     -       -  
Expenses related to issuing warrants     -       (34,272 )     (23,233 )
Exchange rate differences and other finance costs     (70,029 )     (7,877 )     484  
Financing (income) expenses, net   $ (1,337,758 )   $ 75,428     $ 12,439