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Note 3 - Inventories
3 Months Ended
Mar. 31, 2014
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

3.

INVENTORIES


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


   

March 31,

   

December 31,

 
   

2014

   

2013

 

Finished goods

  $ 473     $ 539  

Work-in-progress

    159       310  

Raw material

    2,115       1,967  
    $ 2,747     $ 2,816