Quarterly Results of Operations (Detail) - 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 Information [Line Items]
Total Revenues	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0
Expenses	1,462,239	1,512,390	1,130,937	1,378,893	1,603,127	1,154,108	1,274,801	510,210	5,484,459	4,542,246	3,269,240
Loss From Operations	(1,462,239)	(1,512,390)	(1,130,937)	(1,378,893)	(1,603,127)	(1,154,108)	(1,274,801)	(510,210)	(5,484,459)	(4,542,246)	(3,269,240)
Other Income	3,220	4,789	5,401	4,255	5,240	5,699	6,024	5,334	17,665	22,297	3,227
Net Loss	$ (1,459,019)	$ (1,507,601)	$ (1,125,536)	$ (1,374,638)	$ (1,597,887)	$ (1,148,409)	$ (1,268,777)	$ (504,876)	$ (5,466,794)	$ (4,519,949)	$ (3,266,013)
Net Loss Per Common Share - Basic and Diluted	$ (0.02)	$ (0.02)	$ (0.01)	$ (0.02)	$ (0.02)	$ (0.01)	$ (0.01)	$ (0.01)	$ (0.06)	$ (0.05)	$ (0.05)