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Significant Accounting Policies (Details 1)
12 Months Ended
Dec. 31, 2018
Computers and peripheral equipment [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives (Years) 3 years
Computers and peripheral equipment [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives (Years) 5 years
Office furniture and equipment [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives (mainly 7)
Office furniture and equipment [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives (Years) 7 years
Office furniture and equipment [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives (Years) 15 years
Motor vehicles [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives (Years) 7 years
Software [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives (mainly 5)
Software [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives (Years) 3 years
Software [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives (Years) 5 years