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Inventory (Details) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Inventory Disclosure [Abstract]    
Raw materials $ 3,148,990 $ 4,733,679
Work in process 493,768 481,863
Finished goods 1,412,217 1,191,613
Total Inventory $ 5,054,975 $ 6,407,155