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Inventories
12 Months Ended
Dec. 31, 2011
Inventories [Abstract]  
Inventories
(3) Inventories

Inventories consisted of the following at December 31, 2011 and 2010:

 

     2011     2010  
     (in thousands)  

Raw materials

   $ 1,665      $ 1,202   

Work-in-process

     2,703        2,128   

Finished goods

     672        565   
  

 

 

   

 

 

 
     5,040        3,895   

Less: Allowance

     (95     (75
  

 

 

   

 

 

 

Total inventories

   $ 4,945      $ 3,820