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QUARTERLY FINANCIAL DATA (Unaudited) (Summarized Quarterly Financial Information (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total Income (Loss) | $ (26,637,430) | $ 5,406,682 | $ 9,735,886 | $ 6,636,435 | $ 13,164,906 | $ 10,047,404 | $ (9,670,343) | $ (10,890,297) | $ (4,858,427) | $ 2,651,670 | $ 30,179,238
Total Expenses | 141,243 | 163,681 | 172,297 | 172,379 | 233,160 | 214,528 | 225,381 | 256,646 | 649,600 | 929,715 | 805,873
Net income (loss) | $ (26,778,673) | $ 5,243,001 | $ 9,563,589 | $ 6,464,056 | $ 12,931,746 | $ 9,832,876 | $ (9,895,724) | $ (11,146,943) | $ (5,508,027) | $ 1,721,955 | $ 29,373,365
Net Income (Loss) per Share | $ (9.32) | $ 1.77 | $ 2.72 | $ 1.60 | $ 2.74 | $ 1.52 | $ (1.73) | $ (1.87) | $ (3.23) | $ 0.66 | $ 3.39

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