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Product Revenue Reserves and Allowances (Tables)
 12 Months Ended
Dec. 31, 2016
Product Revenue Reserves And Allowances [Abstract]  
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 year ended December 31, 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

 

 

1,900

 

 

 

5,928

 

 

 

397

 

 

 

5

 

 

 

8,230

 

Adjustments related to sales in the prior year

 

 

—

 

 

 

(213

)

 

 

—

 

 

 

—

 

 

 

(213

)

Credits and payments made

 

 

(1,507

)

 

 

(5,077

)

 

 

(26

)

 

 

(7

)

 

 

(6,617

)

Balance at December 31, 2016

 

$

531

 

 

$

1,000

 

 

$

403

 

 

$

6

 

 

$

1,940