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Note 5 - Inventories
9 Months Ended
Sep. 30, 2013
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

5.     InventoriesThe value of inventories at September 30, 2013 and December 31, 2012 is as follows:


(in thousands)

 

September 30, 2013

   

December 31, 2012

 

Raw materials

  $ 958     $ 795  

Finished goods

    101       87  

Total inventories

  $ 1,059     $ 882