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QUARTERLY FINANCIAL DATA (Unaudited) (Details) - USD ($)
 3 Months Ended 12 Months Ended
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Quarterly Financial Data [Line Items]                      
Total Income (Loss) $ (23,505,325) $ (29,085,453) $ 12,218,310 $ (2,444,251) $ (18,900,526) $ (8,872,666) $ 2,043,322 $ (369,412)      
Total Expenses 225,114 237,707 288,100 212,837 135,811 144,367 124,594 96,419      
Expense Waivers (43,991) (32,885) (30,764) (27,677) (53,580) (37,319) (26,964) (30,741) $ 135,317 $ 148,604 $ 80,653
Net Expenses 181,123 204,822 257,336 185,160 82,231 107,048 97,630 65,678      
Net Income (Loss) $ (23,686,448) $ (29,290,275) $ 11,960,974 $ (2,629,411) $ (18,982,757) $ (8,979,714) $ 1,945,692 $ (435,090) $ (43,645,160) $ (26,451,869) $ 2,260,564
Net Income (Loss) per Share $ (4.34) $ (6.07) $ 2.15 $ (1.91) $ (15.33) $ (7.63) $ 2.29 $ (0.75) $ (10.17) $ (21.42) $ 2.83