QUARTERLY FINANCIAL DATA (Unaudited) (Summarized Quarterly Financial Information (Details) - USD ($) |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Quarterly Financial Information [Line Items] | |||||||||||
| Total Income (Loss) | $ 11,414,019 | $ (2,704,986) | $ 19,948,048 | $ 1,522,157 | $ (12,030,910) | $ (19,144,755) | $ 8,888,385 | $ (5,092,160) | $ 30,179,238 | $ (27,379,440) | $ (18,317,333) |
| Total Expenses | 222,565 | 206,706 | 208,254 | 168,348 | 134,404 | 141,411 | 174,595 | 125,096 | 805,873 | 575,506 | 488,740 |
| Net Income (Loss) | $ 11,191,454 | $ (2,911,692) | $ 19,739,794 | $ 1,353,809 | $ (12,165,314) | $ (19,286,166) | $ 8,713,790 | $ (5,217,256) | $ 29,373,365 | $ (27,954,946) | $ (18,806,073) |
| Net Income (Loss) per Share | $ 1.64 | $ (0.59) | $ 2.99 | $ (0.65) | $ (3.45) | $ (6.39) | $ 2.88 | $ (2.63) | $ 3.39 | $ (9.59) | $ (16.24) |