RETURNS RESERVE (Analysis for Returns Reserve) (Details) (Allowance for Sales Returns [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Allowance for Sales Returns [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Returns reserve, balance at beginning of year	$ 637	$ 652	$ 726
Returns reserve, provision for estimated returns	12,661	10,838	10,394
Actual returns	(12,536)	(10,853)	(10,468)
Returns reserve, balance at end of year	$ 762	$ 637	$ 652