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Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2019
Accounting Policies [Abstract]  
Schedule of property, plant and equipment depreciation rates
  %    
         
Computers and software   20 - 33   (Mainly 33)
Office furniture and equipment   6 - 15   (Mainly 6)
Leasehold improvements  

Over the shorter of the period

of the lease or the life of the assets

    
Motor vehicles   15    
Schedule of weighted average assumptions used in valuation of stock option
  Year ended December 31, 
   2019   2018   2017 
             
Risk-free interest   1.52%   2.73%   2.05%
Dividend yields   0    0    0 
Volatility   55%   55%   57%
Expected option term   3.5 years    3.5 years    3.5 years 
Forfeiture rate   0%   0%   0%