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Note 5 - Inventories
6 Months Ended
Jun. 30, 2013
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

5. InventoriesThe value of inventories at June 30, 2013 and December 31, 2012 is as follows:  


(in thousands)

 

June 30, 2013

   

December 31, 2012

 

Raw materials

  $ 983     $ 795  

Finished goods

    130       87  

Total inventories

  $ 1,113     $ 882