Revenues (Tables)

12 Months Ended

Dec. 31, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

Net product revenues by geography consisted of the following:

	Year Ended December 31,
(in thousands)	2021		2020		2019
U.S.	$	81,476	$	37,989	$	—
Rest of world	5,913		1,472		—
Total product revenues, net	$	87,389	$	39,461	$	—

Analysis Of Amount Of And Change In Product Revenue Reserves

Activity in each of the product revenue allowance and reserve categories is summarized as follows:

(in thousands)	Trade discounts and allowances		Chargebacks and administrative fees		Government rebates and other incentives		Returns		Total
Balance as of December 31, 2020	$	152	$	264	$	2,433	$	532	$	3,381
Provision related to sales in the current year	2,522		4,367		8,279		2,013		17,181
Adjustments related to prior period sales	85		57		(418)		(395)		(671)
Credits and payments made during the period	(2,492)		(4,194)		(2,431)		(1,333)		(10,450)
Balance as of December 31, 2021	$	267	$	494	$	7,863	$	817	$	9,441

Summary Of Total Product Revenue Reserves Included In The Consolidated Balance Sheets

The total reserves described above are summarized as components of the Company's consolidated balance sheets as follows:

(in thousands)	December 31, 2021		December 31, 2020
Reduction of accounts receivable, net	$	719	$	363
Component of accrued expenses and other current liabilities	8,722		3,018
Total revenue-related reserves	$	9,441	$	3,381