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Inventories - Schedule of Inventories (Details) - USD ($)
Mar. 31, 2018
Dec. 31, 2017
Inventory Disclosure [Abstract]    
Finished goods $ 3,691,197 $ 4,611,973
Spare parts 165,821 187,158
Reserves for inventory obsolescence (118,295) (172,562)
Inventories, net $ 3,738,723 $ 4,626,569