Annual report pursuant to Section 13 and 15(d)

SIGNIFICANT ACCOUNTING POLICIES - Schedule of Client Revenue Concentrations (Details)

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SIGNIFICANT ACCOUNTING POLICIES - Schedule of Client Revenue Concentrations (Details) - Customer Concentration Risk - Revenue
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
North America | Client A    
Product Information [Line Items]    
Concentration Risk 14.70% 15.20%
North America | Client B    
Product Information [Line Items]    
Concentration Risk 6.70% 5.70%
North America | Client D    
Product Information [Line Items]    
Concentration Risk 5.70% 5.00%
United Kingdom | Client C    
Product Information [Line Items]    
Concentration Risk 6.50% 7.70%