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Note 4 - Inventories
12 Months Ended
Dec. 31, 2013
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

4.      Inventories


Inventories as of December 31, 2013 and 2012 consisted of:


   

2013

   

2012

 
   

(in thousands)

   

(in thousands)

 
                 

Raw materials

  $ 2,172     $ 1,673  

Work in progress

    271       26  

Finished goods

    426       74  
    $ 2,869     $ 1,773