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Note 4 - Inventories
3 Months Ended
Mar. 31, 2015
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

Note 4. Inventories


As of March 31, 2015 and December 31, 2014, inventories consist of the following (in thousands):


   

March 31, 2015

   

December 31, 2014

 

Raw materials

  $ 7,201     $ 7,185  

Finished goods

    4,654       3,803  

Total

  $ 11,855     $ 10,988