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Note 4 - Inventories
6 Months Ended
Jun. 30, 2011
Inventory Disclosure [Text Block]
4.
Inventories

Inventories consist of the following:

   
June 30, 2011
   
December 31, 2010
 
             
Raw materials
  $ 1,482     $ 1,319  
Work-in-progress
    1,138       537  
Reserve for obsolescence
    (3 )     (3 )
Inventory, net
  $ 2,617     $ 1,853