Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2015

Revenue Recognition

Schedule of chargeback provision analysis

	Year Ended December 31,
	2015		2014
	(in thousands)
Beginning balance	$	11,872	$	18,104
Provision related to sales made in the current period		162,238		156,235
Credits issued to third parties		(158,893)		(162,467)
Ending balance	$	15,217	$	11,872

Schedule of product return liability analysis

	Year Ended December 31,
	2015		2014
	(in thousands)
Beginning balance	$	2,408	$	4,592
Provision for product returns		1,675		(714)
Credits issued to third parties		(1,462)		(1,470)
Ending balance	$	2,621	$	2,408