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Inventory (Details) - USD ($)
Jun. 30, 2017
Dec. 31, 2016
Inventory [Abstract]    
Raw materials $ 10,853,166 $ 11,562,388
Work in process 698,455 360,550
Finished goods 1,677,334 1,530,641
Inventory, Gross 13,228,955 13,453,579
Obsolescence reserve (5,969,982) (6,142,640)
Total Inventory $ 7,258,973 $ 7,310,939