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Note 5 - Inventories (Details) - Inventories (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Inventories [Abstract]    
Finished goods $ 66,876 $ 22,886
Work in process 4,316 3,883
Raw materials and supplies 61,638 29,213
Inventories, net $ 132,830 $ 55,982