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Significant Accounting Policies (Tables)
 3 Months Ended
Mar. 31, 2016
Accounting Policies [Abstract]  
Summary of Product Revenue Allowances and Reserve Categories
The following table summarizes the activity in each of the product revenue allowances and reserve categories for the three-month period ended March 31, 2016:
In thousands
Trade
Allowances
 
Rebates,
Chargebacks
and
Discounts
 
Other
Incentives/
Returns
 
Total
Balance, January 1, 2016
$
111

 
$
4,460

 
$
551

 
$
5,122

Provision
375

 
6,036

 
363

 
6,774

Payments or credits
(331
)
 
(4,936
)
 
(250
)
 
(5,517
)
Balance, March 31, 2016
$
155

 
$
5,560

 
$
664

 
$
6,379