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QUARTERLY FINANCIAL DATA (Unaudited) (Summarized Quarterly Financial Information (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
QUARTERLY FINANCIAL DATA (Unaudited) |  |  |  |  |  |  |  |  |  |  |
Total Income (Loss) | $ 7,084,009 | $ (4,048,873) | $ (1,607,177) | $ 13,503,903 | $ (26,637,430) | $ 5,406,682 | $ 9,735,886 | $ 6,636,435 | $ 14,931,862 | $ (4,858,427) | $ 2,651,670
Total Expenses | 116,369 | 114,129 | 132,975 | 134,064 | 141,243 | 163,681 | 172,297 | 172,379 | 497,537 | 649,600 | 929,715
Net income (loss) | $ 6,967,640 | $ (4,163,002) | $ (1,740,152) | $ 13,369,839 | $ (26,778,673) | $ 5,243,001 | $ 9,563,589 | $ 6,464,056 | $ 14,434,325 | $ (5,508,027) | $ 1,721,955
Net Income (Loss) per Share | $ 2.79 | $ (1.64) | $ (0.72) | $ 4.70 | $ (9.32) | $ 1.77 | $ 2.72 | $ 1.60 | $ 5.13 | $ (3.23) | $ 0.66

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