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RESEARCH AND DEVELOPMENT EXPENSES, NET (Tables)
 12 Months Ended
Dec. 31, 2018
Research and Development [Abstract]  
Schedule of Research and Development Expenses, Net
 
For the year ended December 31,
  
 
  
2 0 1 8
    
2 0 1 7
    
2 0 1 6
  
 
                  
Salaries and related expenses
    
4,410
      
4,656
      
4,683
  
Share-based compensation
    
234
      
116
      
234
  
Materials
    
1,508
      
614
      
596
  
Subcontractors and consultants
    
311
      
456
      
320
  
Depreciation
    
138
      
147
      
121
  
Cost for registration of patents
    
126
      
157
      
150
  
Others
    
1,099
      
893
      
511
  
 
    
7,826
      
7,039
      
6,615
  
Less participation of the IIA and BIRD Foundation
    
(208
)
    
(202
)
    
(1,124
)
Total research and development, net
    
7,618
      
6,837
      
5,491