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Note 7 - Inventories
12 Months Ended
Dec. 31, 2012
Inventory Disclosure [Text Block]
7.     INVENTORIES

(In Thousands)

   
December 31
 
   
2012
   
2011
 
             
Finished goods
  $ 2,294     $ 2,447  
Work-in-process
    1,851       1,980  
Raw materials
    3,772       3,499  
    $ 7,917     $ 7,926