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Inventory (Details) (USD $)
Sep. 30, 2014
Dec. 31, 2013
Inventory    
Raw material and supplies $ 3,202,724 $ 2,640,842
Work in process 286,247 339,581
Finished goods 13,203,755 15,753,871
Inventory 16,692,726 18,734,294
Reserve for inventory obsolescence $ 104,000 $ 124,000