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Note 3 - Net Inventories
6 Months Ended
Jun. 30, 2015
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

(3)

Net Inventories


Inventories are stated at the lower of cost, determined on a first-in, first-out basis, or market.


Net inventories consist of the following:


   

June 30,

   

December 31,

 
   

2015

   

2014

 
                 

Finished goods

  $ 40,342     $ 24,200  

Work in process

    53,538       27,640  

Raw materials

    27,945       28,558  

Supplies

    5,230       5,232  

Total

  $ 127,055     $ 85,630