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Inventories
9 Months Ended
Sep. 30, 2011
Inventories [Abstract] 
Inventories

7.    Inventories

Inventories consisted of the following at September 30, 2011 and December 31, 2010 (in thousands):

 

     September 30,
2011
    December 31,
2010
 

Raw materials

   $     1,667      $     1,202   

Work-in-process

     3,073        2,128   

Finished goods

     485        565   
  

 

 

   

 

 

 
     5,225        3,895   
  

 

 

   

 

 

 

Less: allowance

     (94     (75

Total inventories

   $ 5,131      $ 3,820