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Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2020
Accounting Policies [Abstract]  
Schedule of property, plant and equipment depreciation rates
    %    
         
Computers and software   20 - 33   (Mainly 33)
Machines   7-33    
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, 
   2020   2019   2018 
             
Risk-free interest   0.51%   1.52%   2.73%
Dividend yields   0    0    0 
Volatility   45%   55%   55%
Expected option term   3.5 years    3.5 years    3.5 years 
Forfeiture rate   0%   0%   0%