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

Inventories are stated at the lower of standard cost (which approximates actual cost determined using the first-in, first-out cost method) or market and consist of the following, net of reserves (in thousands):

   
March 31,
2013
   
December 31,
2012
 
             
Raw materials
  $ 2,031     $ 1,649  
Finished goods
    1,082       932  
Inventories, net
  $ 3,113     $ 2,581