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Inventories (Tables)
 6 Months Ended
Jun. 30, 2014
Inventories  
Schedule of major classes of inventories

 

Our major classes of inventories were as follows as of June 30, 2014 and December 31, 2013 (in thousands):

 

 

 

 

June 30, 2014

 

December 31, 2013

 

Raw materials

 

$
4,348 

 

$
3,157 

 

Work in process

 
7,873 

 
8,322 

 

Finished goods

 
9,748 

 
5,738 

 

Total inventories

 

$
21,969 

 

$
17,217