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Note 7 - Inventories
3 Months Ended
Mar. 31, 2013
Inventory Disclosure [Text Block]
(7)  INVENTORIES

Inventories held at March 31, 2013 and December 31, 2012 were comprised of the following:

   
Mar. 31,
2013
   
Dec. 31,
2012
 
Raw materials
  $ 2,578     $ 2,157  
Work in process
    463       454  
Inventory consigned to others
    115       105  
Finished goods
    262       419  
    $ 3,418     $ 3,135