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Inventories, Net (Details) - USD ($)
Sep. 30, 2016
Dec. 31, 2015
Inventory [Line Items]    
Raw materials $ 3,793,301 $ 2,770,636
Work in process 2,366,341 2,198,981
Finished goods 17,563,321 13,723,090
Allowance for excess quantities (780,622) (822,796)
Total inventories $ 22,942,341 $ 17,869,911