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3. Inventories
6 Months Ended
Jun. 30, 2011
Inventory Disclosure [Text Block]
3. Inventories

The components of inventories are:

   
June 30,
   
December 31,
 
(In thousands)
 
2011
   
2010
 
Raw materials and purchased component parts
  $ 5,325     $ 5,077  
Work-in-process
    13       2  
Finished goods
    7,366       7,716  
    $ 12,704     $ 12,795