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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Allowance for Sales Returns and Exchanges (Tables)
 12 Months Ended
Dec. 31, 2015
Allowance for sales returns and exchanges [Abstract]  
Allowance for Sales Returns and Exchanges [Table Text Block]

The following table sets forth the activity in the allowance for sales returns and exchanges for the years ended December 31, 2015, 2014 and 2013 (in thousands):
 
Year Ended December 31,
 
2015
 
2014
 
2013
Allowance for sales returns and exchanges – beginning of year
$
9,510

 
$
12,519

 
$
19,460

Additions and adjustments to the allowance
8,468

 
9,260

 
9,243

Deductions against the allowance
(9,395
)
 
(12,269
)
 
(16,184
)
Allowance for sales returns and exchanges – end of year
$
8,583

 
$
9,510

 
$
12,519