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RESEARCH AND DEVELOPMENT EXPENSES (Tables)
 12 Months Ended
Dec. 31, 2015
Research and Development [Abstract]  
Schedule of Research and Development Expenses
 
US dollars
  
   
Year ended December 31,
  
   
2015
    
2014
    
2013
  
Salaries and related expenses
     1,303,614       1,128,672       1,293,067  
Professional fees
     525,144       377,918       247,888  
Materials
     166,736       96,699       154,522  
Depreciation
     19,132       16,156       32,858  
Travel expenses
     39,324       27,867       43,131  
Vehicle maintenance
     54,936       25,888       35,955  
Other
     159,459       176,424       179,333  
      2,268,345       1,849,624       1,986,754