Product Revenue Reserves and Allowances (Tables)

6 Months Ended

Jun. 30, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of product revenue allowance and reserve categories

The following table summarizes activity in each of the product revenue allowance and reserve categories for the six months ended June 30, 2020 and 2019 (in thousands):

	Chargebacks, Discounts, and Fees		Government and other rebates		Returns		Total
Ending balance at December 31, 2018	$	3,198	$	7,620	$	411	$	11,229
Provision related to sales in the current year	13,034		30,294		493		43,821
Adjustments related to prior period sales	(16)		(183)		(141)		(340)
Credits and payments made	(11,971)		(23,690)		(268)		(35,929)
Ending balance at June 30, 2019	4,245		14,041		495		18,781
Ending balance at December 31, 2019	$	5,739	$	17,280	$	1,583	$	24,602
Provision related to sales in the current year	12,129		34,448		3,888		50,465
Adjustments related to prior period sales	(294)		(826)		(1,449)		(2,569)
Credits and payments made	(15,390)		(36,805)		(679)		(52,874)
Ending balance at June 30, 2020	$	2,184	$	14,097	$	3,343	$	19,624