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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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