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Note 3 - Inventories
9 Months Ended
Sep. 30, 2014
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

3.             INVENTORIES


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


   

September 30,

    December 31,  
   

2014

    2013  

Finished goods

  $ 249     $ 539  

Work-in-progress

    266       310  

Raw material

    1,701       1,967  
    $ 2,216     $ 2,816