Accrued Expenses and Other Current Liabilities (Tables)

12 Months Ended

Dec. 31, 2022

Schedule of Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities as of December 31, 2022 and 2021 consisted of the following (in thousands):


	As of December 31,
	2022		2021
Payroll-related expenses	$	121,066	$	147,439
Accrued royalties		106,126		108,215
R&D and manufacturing programs		66,725		54,076
Consulting and professional services		28,915		33,334
Allowances for returns		28,347		33,881
Accrued interest		15,130		14,989
Accrued upfront and milestone payments		15,000		35,100
Refund liability (1)		12,218		16,711
Advertising and marketing		12,030		16,930
Pricing review liability		—		21,075
Accrued other		52,000		41,265
Accrued expenses and other current liabilities	$	457,557	$	523,015

(1)

The refund liability represents the amount of consideration that the Company may need to refund to MTPC if it does not sell the product that was shipped to MTPC. The refund liability is remeasured at each reporting date to reflect changes in the estimate of variable consideration, with a corresponding adjustment to revenue. Amounts expected to be settled within the 12 months following the balance sheet date are classified as current liabilities in the accompanying balance sheets. Amounts not expected to be settled within the 12 months following the consolidated balance sheet date are classified as long-term liabilities. The following represents the changes to the refund liability for the year ended December 31, 2022 (in thousands):


Refund liability at December 31, 2021	$	16,711
Shipments during the year ended December 31, 2022		14,892
Remeasurement of refund liability recognized as revenue		(11,194	)
Refund liability at December 31, 2022	$	20,409
Less: current portion		12,218
Refund liability, net of current portion	$	8,191