Summary of Changes in Convertible Debt Related Parties Net of Unamortized Discount (Detail) (USD $)	6 Months Ended	125 Months Ended					6 Months Ended
	Jun. 30, 2013	Jun. 30, 2013	Jun. 30, 2013 Beneficial Conversion Feature	Jun. 30, 2013 Warrants Attached to Debt	Jun. 30, 2013 Related Party Transactions	Dec. 31, 2012 Related Party Transactions	Jun. 30, 2013 Convertible debt Related Party Transactions	Jun. 30, 2013 Convertible debt Related Party Transactions Beneficial Conversion Feature	Jun. 30, 2013 Convertible debt Related Party Transactions Warrants Attached to Debt
Debt Instrument [Line Items]
Balance at December 31, 2012	$ 318,658						$ 58,105
January 2013 Notes, face value	550,000						100,000
Discount on convertible debt			(120,009)	(165,820)	(526,759)	(571,895)		(21,820)	(30,149)
Repayment of January 23, 2013 Notes	(450,000)	(761,222)					(100,000)
Amortization of debt discount to interest expense through June 30, 2013	(1,382,977)	(8,239,707)					97,105
Balance at June 30, 2013	$ 418,701	$ 418,701					$ 103,241