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QUARTERLY FINANCIAL DATA (Unaudited) (Quarterly Financial Information Presents The Results Of Operations) (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Quarterly Financial Data [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total income (loss) | $ (645,188) | $ 9,809 | $ (536,427) | $ (1,880,112) | $ 2,343,019 | $ (673,185) | $ 2,659,703 | $ (1,337,347) | $ (3,051,918) | $ 2,992,190 | $ (4,405,715)
Total expenses | 36,482 | 40,970 | 33,306 | 45,520 | 59,503 | 61,441 | 53,295 | 50,619 | 156,278 | 224,858 | 231,820
Expense waivers | (17,165) | (19,588) | (9,907) | (15,053) | (25,375) | (28,986) | (24,115) | (23,616) | 61,713 | 102,092 | 89,122
Net expenses | 19,317 | 21,382 | 23,399 | 30,467 | 34,128 | 32,455 | 29,180 | 27,003 | 94,565 | 122,766 | 142,698
Net income (loss) | $ (664,505) | $ (11,573) | $ (559,826) | $ (1,910,579) | $ 2,308,891 | $ (705,640) | $ 2,630,523 | $ (1,364,350) | $ (3,146,483) | $ 2,869,424 | $ (4,548,413)
Net income (loss) per share | $ (0.75) | $ (0.01) | $ (0.63) | $ (1.1) | $ 1.61 | $ (0.5) | $ 1.9 | $ (0.98) | $ (2.49) | $ 2.03 | $ (3.97)

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