Summary of Changes in Convertible Debt Third Parties Net of Unamortized Discount (Detail) (USD $)	9 Months Ended		128 Months Ended		9 Months Ended			9 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2013 Warrants Attached to Debt	Sep. 30, 2013 Convertible debt	Sep. 30, 2013 January 2013 Notes	Sep. 30, 2013 January 2013 Notes Beneficial Conversion Feature	Sep. 30, 2013 July 2012 Notes	Sep. 24, 2013 July 2012 Notes	Sep. 30, 2013 July 2012 Notes Scenario Two
Debt Instrument [Line Items]
Balance at December 31, 2012	$ 318,658
Notes, face value						550,000
Discount on convertible debt				(165,820)			(120,009)		(2,432,681)
Repayment of January 23, 2013 Notes	(450,000)		(761,222)			(450,000)
Principal amount of Notes converted to common stock						(100,000)		(900,000)		(2,555,000)
Unamortized discount closed to loss on debt extinguishment	1,949,003
Amortization of debt discount to interest expense through September 30, 2013	$ (1,613,354)	$ (34,600)	$ (8,470,084)		$ 1,473,168