Summary Of Warrant Activity Based On Common Stock Equivalents (Detail) (USD $)	0 Months Ended	12 Months Ended			12 Months Ended
	Jan. 12, 2012	Dec. 31, 2012	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2012 Stock Warrants	Dec. 31, 2011 Stock Warrants	Dec. 31, 2012 Stock Warrants Maximum	Dec. 31, 2011 Stock Warrants Maximum	Dec. 31, 2012 Stock Warrants Minimum	Dec. 31, 2011 Stock Warrants Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Begining Balance (Shares Issuable Under Outstanding Options)	0	0	0	26,645,000	183,583,338	195,833,338
Warrants exercised (Number of Shares)		0			0	(40,000,000)
Warrants expired (Number of Shares)					(134,583,338)	(1,250,000)
Warrants issued with common and Series B Preferred stock in private placement (Number of Shares)					114,850,000	29,000,000
Ending Balance (Shares Issuable Under Outstanding Options)		190,600,000	0	26,645,000	267,350,000	183,583,338
Begining Balance (Exercise Price)					$ 0		$ 0.15	$ 0.15	$ 0.01	$ 0.02
Warrants exercised (Exercise Price)							$ 0.03	$ 0.025	$ 0.01	$ 0.01
Warrants expired (Exercise Price)	$ 0.02					$ 0.02
Warrants issued with common and Series B Preferred stock in private placement (Exercise Price)	$ 0.01					$ 0.01	$ 0.01
Ending Balance (Exercise Price)					$ 0	$ 0	$ 0.15	$ 0.15	$ 0.01	$ 0.01
Begining Balance (Price Range or Weighted Average Exercise Price)	$ 0	$ 0	$ 0	$ 0.06	$ 0	$ 0.06
Warrants issued with common and Series B Preferred stock in private placement (Price Range or Weighted Average Exercise Price)					$ 0.03	$ 0.01
Warrants expired (Weighted Average Exercise Price)					$ 0.01	$ 0.02
Warrants issued with convertible debentures and notes payable (Weighted Average Exercise Price)					$ 0.01	$ 0.01
Ending Balance (Price Range or Weighted Average Exercise Price)		$ 0.01	$ 0	$ 0.06	$ 0.03	$ 0