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Inventories (Details) - USD ($)
Mar. 31, 2017
Dec. 31, 2016
Inventories [Abstract]    
Raw materials $ 2,476,142 $ 2,397,430
Work in process 349,597 341,125
Finished goods 3,126,728 2,915,162
Reserve for obsolescence (294,098) (272,614)
Total inventory $ 5,658,369 $ 5,381,103