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5. Inventories
12 Months Ended
Dec. 31, 2011
Inventory Disclosure [Text Block]
5. Inventories

The components of inventories are:

   
December 31,
 
(In thousands)
 
2011
   
2010
 
Raw materials and purchased component parts
  $ 6,863     $ 5,077  
Work-in-process
    71       2  
Finished goods
    7,217       7,716  
    $ 14,151     $ 12,795