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Inventories, Net (Details) (USD $)
Sep. 30, 2014
Dec. 31, 2013
Inventory [Line Items]    
Raw materials $ 3,927,047 $ 3,342,528
Work in process 1,653,392 1,149,704
Finished goods 13,591,550 11,673,872
Allowance for excess quantities (771,483) (737,691)
Total inventories $ 18,400,506 $ 15,428,413