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Inventories
12 Months Ended
Dec. 31, 2013
Inventory Disclosure [Abstract]  
Inventories

5.   Inventories

 

Inventories as of December 31, 2013 were as follows (in thousands):

 

 

 

 

 

 

 

 

Raw materials

$

5,077 

Work-in-process

 

379 

Finished goods

 

3,699 

Total inventory

$

9,155