Product Revenue Reserves and Allowances

9 Months Ended

Sep. 30, 2020

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, 2020 and 2019 (in thousands):


	Chargebacks, Discounts, and Fees		Government and other rebates		Returns		Total
Ending balance at December 31, 2018	$	3,198	$	7,620	$	411	$	11,229
Provision related to sales in the current year	21,203		44,426		698		66,327
Adjustments related to prior period sales	(27)		697		—		670
Credits and payments made	(19,759)		(34,190)		(575)		(54,524)
Ending balance at September 30, 2019	4,615		18,553		534		23,702

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

Chargebacks, discounts, fees, and returns are recorded as reductions of trade 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.

To date, the Company has no bad debt write-offs and the Company does not currently have credit issues with any customers. There were no credit losses associated with the Company’s trade receivables as of September 30, 2020 and 2019.