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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2016
USD ($)
segment
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Number of sales segments | segment 3    
Third-party services and agency sales transactions $ 30,234 $ 24,158 $ 25,696
Amounts due from banks for credit card transactions, classified as cash equivalents $ 4,345 6,786  
Minimum      
Property and equipment, estimated useful lives 3 years    
Maximum      
Property and equipment, estimated useful lives 7 years    
Computer Software | Minimum      
Estimated useful lives 3 years    
Computer Software | Maximum      
Estimated useful lives 7 years    
Selling, General and Administrative Expenses      
Advertising expense $ 16,083 15,689 $ 15,767
Accounts Receivable      
Sale reserves 3,709 3,235  
Accrued Expenses      
Sale reserves $ 220 $ 178