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Inventories
12 Months Ended
Dec. 31, 2011
Inventories  
Inventories

5.    Inventories

        Inventories consist of the following:

 
  December 31,
2011
  December 31,
2010
 
 
  $ in thousands
 

Raw materials and components

  $ 5,270   $ 5,651  

Work in process

    301     432  

Finished goods

    9,349     22,520  
           

 

  $ 14,920   $ 28,603  
           

        The inventory balances are net of reserves of approximately $2.5 million and $2.9 million as of December 31, 2011 and December 31, 2010, respectively.