Product Revenue Reserves and Allowances (Tables)

9 Months Ended

Sep. 30, 2016

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Summary of Product Revenue Reserve and Allowance Categories

The following table summarizes activity in each of the product revenue reserve and allowance categories for the nine months ended September 30, 2016:

(in thousands)	Trade Allowances			Rebates and Chargeback Discounts			Product Returns			Other Incentives			Total
Balance at December 31, 2015	$	138		$	362		$	32		$	8		$	540
Provisions related to sales in the current year		1,332			4,073			278			7			5,690
Adjustments related to sales in the prior year		—			(156	)		—			—			(156	)
Credits and payments made		(978	)		(3,354	)		(26	)		(7	)		(4,365	)
Balance at September 30, 2016	$	492		$	925		$	284		$	8		$	1,709