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Inventory (Details) - USD ($)
Jun. 30, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 2,744,150 $ 3,148,990
Work in process 427,778 493,768
Finished goods 1,220,498 1,412,217
Total Inventory $ 4,392,426 $ 5,054,975