Revenue

6 Months Ended

Jun. 30, 2022

Revenue

Revenue

2.        Revenue

The Company recorded net revenue of $60.2 million and $120.3 million during the three and six months ended June 30, 2022, respectively, and $87.6 million and $170.7 million during the three and six months ended June 30, 2021, respectively.

Gross revenues by significant customer as a percentage of total gross revenues are as follows:

	Three Months Ended				Six Months Ended
	June 30, 2022		June 30, 2021		June 30, 2022		June 30, 2021
McKesson Corporation	36	%	39	%	37	%	39	%
AmeriSource-Bergen Corporation	46	%	38	%	45	%	38	%
Cardinal Health, Inc.	17	%	22	%	17	%	21	%

Product Sales Discounts and Allowances

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

	Six Months Ended June 30, 2022
	Chargebacks				Other Fees,
	and Discounts				Co-pay
	for Prompt				Assistance
(in thousands)	Payment		Rebates		and Returns		Total
Balances at December 31, 2021	$	29,665	$	54,004	$	26,054	$	109,723
Provision related to sales made in:
Current period		220,178		38,075		39,353		297,606
Prior period		(2,147)		(3,165)		(556)		(5,868)
Payments and customer credits issued		(216,130)		(44,816)		(44,402)		(305,348)
Balances at June 30, 2022	$	31,566	$	44,098	$	20,449	$	96,113

	Six Months Ended June 30, 2021
	Chargebacks				Other Fees,
	and Discounts				Co-pay
	for Prompt				Assistance
(in thousands)	Payment		Rebates		and Returns		Total
Balances at December 31, 2020	$	40,580	$	54,058	$	28,760	$	123,398
Provision related to sales made in:
Current period		237,745		61,190		50,039		348,974
Prior period		(2,850)		(1,890)		(2,818)		(7,558)
Payments and customer credits issued		(247,641)		(52,213)		(50,726)		(350,580)
Balances at June 30, 2021	$	27,834	$	61,145	$	25,255	$	114,234

Chargebacks and discounts for prompt payment are recorded as a reduction in trade receivables, and the remaining reserve balances are classified as current liabilities in the accompanying unaudited condensed consolidated balance sheets.