Revenue Recognition

12 Months Ended

Dec. 31, 2022

Revenue from Contract with Customer [Abstract]

Revenue Recognition

5.Revenue Recognition

The following table provides disaggregated net product sales (in thousands):

	For the Years Ended December 31,
	2022		2021
CINVANTI net product sales	$	87,245	$	73,507
SUSTOL net product sales		10,231		9,915
ZYNRELEF net product sales		10,196		2,924
Total net product sales	$	107,672	$	86,346

The following table provides a summary of activity with respect to our product returns, distributor fees and discounts, rebates and administrative fees, which are included in other accrued liabilities on the consolidated balance sheets (in thousands):

							Discounts,
							Rebates and
	Product			Distributor			Administrative
	Returns			Fees			Fees			Total
Balance at December 31, 2021	$	2,579		$	3,466		$	16,515		$	22,560
Provision		1,546			21,153			158,384			181,083
Payments/credits		(789	)		(20,439	)		(149,098	)		(170,326	)
Balance at December 31, 2022	$	3,336		$	4,180		$	25,801		$	33,317