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Inventories
3 Months Ended
Mar. 31, 2015
Inventories  
Inventories

 

4.  Inventories

 

Inventories consist of the following, in thousands:

 

 

 

March 31,

 

December 31,

 

 

 

2015

 

2014

 

 

 

(unaudited)

 

 

 

 

 

 

 

 

 

Raw materials

 

$

3,132 

 

$

2,491 

 

Work in process

 

6,328 

 

6,328 

 

Finished goods

 

4,242 

 

4,622 

 

 

 

$

13,702 

 

$

13,441