Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregated revenue

The following table provides information about disaggregated revenue by products for the three months ended March 31, 2019 and 2018 (in thousands):

	Three Months Ended March 31,
	2019		2018
Product sales, net
Makena	$	31,257	$	89,983
Feraheme	40,015		25,135
Intrarosa	4,414		2,165
MuGard	43		65
Total product revenues	$	75,729	$	117,348

Total gross product sales were offset by product sales allowances and accruals for the three months ended March 31, 2019 and 2018 as follows (in thousands):

	Three Months Ended March 31,
	2019		2018
Gross product sales	$	211,718	$	239,870
Provision for product sales allowances and accruals:
Contractual adjustments	108,884		86,144
Governmental rebates	27,105		36,378
Total	135,989		122,522
Product sales, net	$	75,729	$	117,348

Product revenue allowance and accrual activity

The following table summarizes the product revenue allowance and accrual activity for the three months ended March 31, 2019 (in thousands):

	Contractual			Governmental
	Adjustments			Rebates			Total
Balance at December 31, 2018	$	57,199		$	29,114		$	86,313
Provisions related to current period sales	107,388			18,502			125,890
Adjustments related to prior period sales	1,540			8,603			10,143
Payments/returns relating to current period sales	(65,839		)	—			(65,839		)
Payments/returns relating to prior period sales	(27,275		)	(14,292		)	(41,567		)
Balance at March 31, 2019	$	73,013		$	41,927		$	114,940