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GENERAL (Details Textual) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Apr. 01, 2013
Entity-Wide Revenue, Major Customer, Percentage 11.80% 14.30%  
Mailvision Affiliated Company [Member]      
Equity Method Investment, Ownership Percentage     29.20%
Acquisition Costs $ 233    
Additional Earn Out Consideration Payable $ 233    
Minimum [Member]      
Entity-Wide Revenue, Major Customer, Percentage 10.00%