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Goodwill and Other Intangible Assets, Net (Details 1) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Acquired Finite-Lived Intangible Assets [Line Items]    
Cost $ 3,372 $ 3,120
Accumulated amortization 3,177 3,113
Amortized cost $ 195 7
Brand name [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Weighted average amortization period 4 years 1 month 6 days  
Cost $ 670 670
Accumulated amortization $ 670 663
Customer list [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Weighted average amortization period 2 years 6 months  
Cost $ 2,450 2,450
Accumulated amortization $ 2,450 2,450
Software [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Weighted average amortization period 3 years  
Cost [1] $ 111
Accumulated amortization $ 37
Customer relationship [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Weighted average amortization period 7 years  
Cost [1] $ 141
Accumulated amortization $ 20
[1] See Note 3.