Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2021

Accounting Policies [Abstract]

Disaggregation of Revenue

Revenues for the three and nine months ended September 30, 2021 and 2020 were as follows:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
	(Amounts in thousands)
Product revenue	$	178,177	$	94,029	$	483,834	$	257,521
Royalty and other income		39		31		179		91
Total revenue	$	178,216	$	94,060	$	484,013	$	257,612

Summary of Receivables and Deferred Revenue from Contracts with Customers

The following table provides information about receivables and deferred revenue from contracts with customers as of September 30, 2021 (amounts in thousands):

	2021
Balances from contracts with customers only:
Accounts receivable, net of reserves	$	122,048
Deferred revenue (included in accrued liabilities in the consolidated balance sheets)	$	16,337
Revenue recognized during the nine-month period ended September 30, 2021 relating to:
The beginning deferred revenue balance	$	13,071