Product Revenue Reserves and Allowances

9 Months Ended

Sep. 30, 2021

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 nine months ended September 30, 2021 and 2020 (in thousands):


	Chargebacks, Discounts, and Fees		Government and other rebates		Returns		Total
Ending balance at December 31, 2019	$	5,739	$	17,280	$	1,583	$	24,602
Provision related to sales in the current year	16,123		57,120		2,030		75,273
Adjustments related to prior period sales	(107)		(1,570)		—		(1,677)
Credits and payments made	(20,011)		(50,717)		(893)		(71,621)
Ending balance at September 30, 2020	1,744		22,113		2,720		26,577

Ending balance at December 31, 2020	$	1,891	$	14,644	$	2,572	$	19,107
Provision related to sales in the current year	14,524		77,804		322		92,650
Adjustments related to prior period sales	(61)		(990)		(2,249)		(3,300)
Credits and payments made	(14,630)		(61,862)		(189)		(76,681)
Ending balance at September 30, 2021	$	1,724	$	29,596	$	456	$	31,776

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.