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Accrued Expenses (Tables)
12 Months Ended
Dec. 31, 2017
Payables and Accruals [Abstract]  
Schedule of Accrued Liabilities
For the fiscal years ended December 31, 2017, and 2016 the largest components of accrued expenses were:

 
 
2017
 
2016
 
 
(in thousands)
Wholesaler fees
 
$
7,044

 
$
3,505

Capital expenditures
 
1,947

 
2,475

Payroll
 
1,580

 
1,706

Royalties
 
856

 
843

Studies
 
596

 
153

Professional fees
 
546

 
715

Interest expense
 
240

 
240

Income Tax
 
58

 
192

Other
 
635

 
520

 
 
$
13,502

 
$
10,349