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Note 3 - Inventories
12 Months Ended
Dec. 31, 2013
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

3.     Inventories


Inventories consist of the following at December 31 (in thousands):


   

2013

   

2012

 

Raw materials

  $ 80     $ 143  

Finished goods

    37       39  
    $ 117     $ 182