RETURNS RESERVE (Analysis for Returns Reserve) (Details) - Allowance for Sales Returns [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	$ 762	$ 637	$ 652
Returns reserve, provision for estimated returns	13,225	12,661	10,838
Actual returns	(13,117)	(12,536)	(10,853)
Balance at end of year	$ 870	$ 762	$ 637