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Inventories, Net (Details) (USD $)
Mar. 31, 2014
Dec. 31, 2013
Inventory [Line Items]    
Raw materials $ 3,986,121 $ 3,342,528
Work in Process 1,447,394 1,149,704
Finished goods 11,170,779 11,673,872
Allowance for excess quantities (761,976) (737,691)
Total inventories $ 15,842,318 $ 15,428,413