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Acquisitions (Detail Textuals)
$ in Thousands
6 Months Ended 12 Months Ended
Dec. 31, 2015
USD ($)
Business
Jun. 30, 2015
USD ($)
Dec. 04, 2015
Jul. 01, 2015
Business Acquisition [Line Items]        
Goodwill, acquired during period $ 18,509 $ 8,946    
Number of Businesses Acquired | Business 2      
Rockshore Group Ltd (Rockshore)        
Business Acquisition [Line Items]        
Percentage of outstanding shares acquired       100.00%
Business in United States        
Business Acquisition [Line Items]        
Percentage of outstanding shares acquired     100.00%  
Rockshore Group Ltd (Rockshore) and Business in United States        
Business Acquisition [Line Items]        
Cash consideration (paid and accrued) $ 18,800      
Contingent consideration 10,500      
Goodwill, acquired during period 18,509      
Rockshore Group Ltd (Rockshore) and Business in United States | Customer relationships and technology        
Business Acquisition [Line Items]        
Acquired intangible assets $ 5,400