Product Revenue, Net (Tables)

6 Months Ended

Jun. 30, 2023

Revenue from Contract with Customer [Abstract]

Schedule of Revenue from Customers as a Percentage of Total Product Revenue, Net

Revenue from the following Customers who contributed greater than 10% of our product revenue, net during the three and six months ended June 30, 2023 and 2022 as a percentage of total product revenue, net was as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
Cardinal Health	22.4	%	22.7	%	22.3	%	21.7	%
AmerisourceBergen Drug Corporation	21.1	%	40.2	%	21.3	%	35.1	%
McKesson Corporation	18.4	%	24.6	%	19.4	%	22.5	%
BioRidge Pharma, LLC	20.0	%	—	%	19.0	%	—	%

Schedule of Chargebacks, Discounts and Reserve Balances

The activities and ending reserve balances for each significant category of discounts and allowances, which constitute variable consideration, were as follows (in thousands):

	Discounts and Chargebacks		Rebates, Wholesaler and GPO Fees		Copay and Returns		Total
Balance as of December 31, 2022	$	142	$	1,444	$	1,258	$	2,844
Provisions	1,978		5,724		5,272		12,974
Credits/payments	(1,782)		(4,325)		(3,864)		(9,971)
Balance as of June 30, 2023	$	338	$	2,843	$	2,666	$	5,847