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Commitments and Contingencies (Details Textual)
$ in Thousands
 1 Months Ended 12 Months Ended
Sep. 30, 2016
USD ($)
Jan. 31, 2015
USD ($)
Aug. 31, 2009
USD ($)
Dec. 31, 2018
USD ($)
Squarefeet
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Commitments and Contingencies (Textual)            
Rent expenses       $ 2,843 $ 2,729 $ 2,204
Lease agreement maximum penalties amount       $ 48    
Square feet of space based on lease agreements | Squarefeet       170,363    
Aggregated amount of lease commitment       $ 6,235    
Sought damages in amount     $ 13,400      
Damages plaintiffs amount   $ 2,400        
Customer Contracts [Member]            
Commitments and Contingencies (Textual)            
Bank guarantees amount       453    
Restricted bank deposits       $ 408    
Lease agreements, description       The remaining term of the outstanding leases range from six months to five years.    
NIS [Member]            
Commitments and Contingencies (Textual)            
Sought damages in amount $ 34,106   $ 52,000