Product Revenue Reserves and Allowances

3 Months Ended

Mar. 31, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

To date, the Company’s only source of product revenue has been from the U.S. sales of TYMLOS, which it began shipping to customers in May 2017. The following table summarizes activity in each of the product revenue allowance and reserve categories for the three months ended March 31, 2022 and 2021 (in thousands):


	Chargebacks, Discounts, and Fees		Government and other rebates		Returns		Total
Ending balance at December 31, 2020	$	1,891	$	14,644	$	2,572	$	19,107
Provision related to sales in the current year	4,383		25,681		118		30,182
Adjustments related to prior period sales	(90)		(534)		(2,249)		(2,873)
Credits and payments made	(5,080)		(18,984)		(127)		(24,191)
Ending balance at March 31, 2021	1,104		20,807		314		22,225

Ending balance at December 31, 2021	$	2,061	$	24,604	$	224	$	26,889
Provision related to sales in the current year	4,453		30,087		119		34,659
Adjustments related to prior period sales	—		239		—		239
Credits and payments made	(4,690)		(28,168)		(109)		(32,967)
Ending balance at March 31, 2022	$	1,824	$	26,762	$	234	$	28,820

Chargebacks, discounts, fees, and returns are recorded as reductions of accounts receivables, net on the condensed consolidated balance sheets. Government and other rebates are recorded as a component of accrued expenses and other current liabilities on the condensed consolidated balance sheets.