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RESEARCH AND DEVELOPMENT EXPENSES (Tables)
12 Months Ended
Dec. 31, 2016
Research and Development [Abstract]  
Schedule of Research and Development Expenses
   
US dollars
 
   
Year ended December 31,
 
   
2016
   
2015
   
2014
 
Salaries and related expenses
   
1,510,491
     
1,279,216
     
992,991
 
Professional fees
   
58,954
     
71,930
     
83,597
 
Regulations related expenses
   
620,535
     
488,536
     
413,985
 
Patents
   
132,344
     
159,624
     
188,825
 
Materials
   
346,238
     
153,669
     
98,129
 
Depreciation
   
32,508
     
19,133
     
16,156
 
Travel expenses
   
66,211
     
39,324
     
27,867
 
Vehicle maintenance
   
91,935
     
54,936
     
25,888
 
Other
   
22,601
     
1,977
     
2,186
 
     
2,881,817
     
2,268,345
     
1,849,624