PRODUCT REVENUES, NET, ACCOUNTS RECEIVABLE AND RESERVES FOR PRODUCT SALES (Tables)

3 Months Ended

Mar. 31, 2021

Receivables Net Current [Abstract]

Summary of Product Revenues

The following table summarizes the Company’s product revenues, net by product for the periods indicated:

	For the Three Months Ended March 31,
	2021		2020
	(in thousands)
EXONDYS 51	$	107,185	$	98,183
VYONDYS 53		17,548		2,265
AMONDYS 45		193		—
Product revenues, net	$	124,926	$	100,448

Summary of Components of Accounts Receivable

The following table summarizes the components of the Company’s accounts receivable for the periods indicated:

	As of March 31, 2021		As of December 31, 2020
	(in thousands)
Product sales receivable, net of discounts and allowances	$	117,733	$	100,870
Government contract receivables		470		470
Total accounts receivable, net	$	118,203	$	101,340

Summary of Change in Reserves for Discounts and Allowances

The following tables summarize an analysis of the change in reserves for discounts and allowances for each of the periods indicated:

	Chargebacks			Rebates			Prompt Pay			Other Accruals			Total
	(in thousands)
Balance, as of December 31, 2020	$	2,281		$	41,771		$	1,949		$	4,969		$	50,970
Provision		2,085			14,907			1,844			3,191			22,027
Payments/credits		(3,969	)		(9,108	)		(1,432	)		(2,619	)		(17,128	)
Balance, as of March 31, 2021	$	397		$	47,570		$	2,361		$	5,541		$	55,869

	Chargebacks			Rebates			Prompt Pay			Other Accruals			Total
	(in thousands)
Balance, as of December 31, 2019	$	588		$	44,738		$	1,506		$	4,671		$	51,503
Provision		2,435			12,083			1,373			2,103			17,994
Payments/credits		(2,336	)		(10,979	)		(1,291	)		(4,023	)		(18,629	)
Balance, as of March 31, 2020	$	687		$	45,842		$	1,588		$	2,751		$	50,868

Summary of Total Reserves Included in Consolidated Balance Sheets

The following table summarizes the total reserves included in the Company’s unaudited condensed consolidated balance sheets for the periods indicated:

	As of March 31, 2021		As of December 31, 2020
	(in thousands)
Reduction to accounts receivable	$	7,421	$	8,352
Component of accrued expenses		48,448		42,618
Total reserves	$	55,869	$	50,970