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Research and Development Expenses, Net (Tables)
 12 Months Ended
Dec. 31, 2017
Research and Development [Abstract]  
Schedule of Research and Development Expenses

    Years ended December 31,  
    2017     2016  
             
Payroll and related expenses   $ 634     $ 491  
Share-based compensation     1       -  
Materials     266       155  
Patents     66       75  
Office and maintenance expenses     27       21  
Rent     34       36  
Professional services     174       253  
Depreciation     12       7  
Other     65       76  
Less: Grants received from IIA     (179 )     (213 )
                 
    $ 1,100     $ 901