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Inventories - Schedule of Inventories (Details) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Inventory Disclosure [Abstract]    
Finished goods $ 4,135,424 $ 4,611,973
Spare parts 285,575 187,158
Reserves for inventory obsolescence (206,683) (172,562)
Inventories, net $ 4,214,316 $ 4,626,569