ACCOUNTS RECEIVABLE AND RESERVES FOR PRODUCT SALES (Tables)

6 Months Ended

Jun. 30, 2020

Summary of Components of Accounts Receivable

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

	As of June 30, 2020		As of December 31, 2019
	(in thousands)
Product sales receivable, net of discounts and allowances	$	94,692	$	90,409
Collaboration receivable		8,866		—
Government contract receivables		470		470
Total accounts receivable, net	$	104,028	$	90,879

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, 2019	$	588		$	44,738		$	1,506		$	4,671		$	51,503
Provision		4,480			25,664			2,952			4,349			37,445
Payments/credits		(4,427	)		(27,617	)		(2,796	)		(5,719	)		(40,559	)
Balance, as of June 30, 2020	$	641		$	42,785		$	1,662		$	3,301		$	48,389

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 June 30, 2020		As of December 31, 2019
	(in thousands)
Reduction to accounts receivable	$	4,920	$	6,254
Component of accrued expenses		43,469		45,249
Total reserves	$	48,389	$	51,503