QUARTERLY FINANCIAL DATA (Unaudited) (Quarterly Financial Information Presents The Results Of Operations) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Quarterly Financial Data [Line Items]
Total income (loss)	$ (1,899,092)	$ (1,873,104)	$ 668,831	$ (1,302,350)	$ (4,674,704)	$ (1,333,315)	$ 59,752	$ 2,154,963	$ (4,405,715)	$ (3,793,304)	$ 4,410,580
Total expenses	53,441	57,295	64,099	56,985	50,602	75,491	85,090	96,400	231,820	307,583	421,558
Expense waivers	(24,274)	(23,085)	(23,928)	(17,835)	(10,778)	(39,383)	(40,700)	(38,045)
Net expenses	29,167	34,210	40,171	39,150	39,824	36,108	44,390	58,355	142,698	178,677	320,978
Net income (loss)	$ (1,928,259)	$ (1,907,314)	$ 628,660	$ (1,341,500)	$ (4,714,528)	$ (1,369,423)	$ 15,362	$ 2,096,608	$ (4,548,413)	$ (3,971,981)	$ 4,089,602
Net income (loss) per share	$ (1.56)	$ (1.54)	$ 0.22	$ (1.09)	$ (4.35)	$ (1.52)	$ (0.07)	$ 1.31	$ (3.97)	$ (4.63)	$ 1.09