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Note 3 - Inventories
9 Months Ended
Sep. 30, 2013
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

3.            INVENTORIES


Inventories, net are comprised of the following (in thousands):


   

September 30,

2013

   

December 31,

2012

 

Finished goods

  $ 300     $ 465  

Work-in-progress

    480       468  

Raw material

    2,239       1,352  
    $ 3,019     $ 2,285