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Note 5 - Inventories
12 Months Ended
Dec. 31, 2014
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

5. Inventories


Inventories consist of the following:


   

December 31,

 
   

2014

   

2013

 
                 

Raw materials

  $ 5,803     $ 670  

Work in process

    2,409       2,001  

Finished goods

    18,438       4,096  
    $ 26,650     $ 6,767  

Finished goods include amounts held by distributors of $2,798 and $543 as of December 31, 2014 and 2013, respectively.