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Inventories
9 Months Ended
Sep. 30, 2013
Inventory Disclosure [Abstract]  
Inventories

3. Inventories

Inventories consist of the following:

 

     September 30,
2013
    December 31,
2012
 
     (in thousands)  

Raw materials

   $ 18,499      $ 15,726   

Work in process

     5,566        4,623   

Finished goods

     4,374       4,819   
  

 

 

   

 

 

 

Gross inventory

     28,439        25,168   

Less: allowances

     (2,683 )     (3,066
  

 

 

   

 

 

 

Inventories, net

   $ 25,756     $ 22,102