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Inventory (Tables)
 9 Months Ended
Sep. 30, 2016
Inventory Disclosure [Abstract]  
Inventory

Inventory consists of the following (in thousands):

 

 

 

September 30, 2016

 

 

December 31, 2015

 

Raw materials

 

$

2,386

 

 

$

3,236

 

Work-in-process

 

 

6,695

 

 

 

6,087

 

Finished goods

 

 

1,673

 

 

 

2,023

 

Total inventory

 

$

10,754

 

 

$

11,346