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Inventories (Details) - USD ($)
Jun. 30, 2017
Dec. 31, 2016
Inventories [Abstract]    
Raw materials $ 2,435,855 $ 2,397,430
Work in process 403,863 341,125
Finished goods 2,502,343 2,915,162
Reserve for obsolescence (357,946) (272,614)
Total inventory $ 4,984,115 $ 5,381,103