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INCOME TAXES (Details) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Income before taxes $ (76,925,380) $ (89,875,459) $ (85,077,024)
United States [Member]      
Income before taxes $ (76,925,380) $ (89,875,459) $ (85,077,024)