Stockholders' Equity (Deficit) - Additional Information (Detail) (USD $)	12 Months Ended													3 Months Ended	12 Months Ended																	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Common Stock [Member]	Dec. 31, 2012 Common Stock [Member]	Dec. 31, 2012 Warrant [Member]	Dec. 31, 2012 Employee [Member]	Dec. 31, 2013 Non Executive Employee [Member]	Dec. 31, 2012 Director and Vice President [Member]	Dec. 31, 2013 Consulting Compensation Expense [Member]	Dec. 31, 2013 Robert McCullough [Member]	Dec. 31, 2013 Alexander Milley and Dr. John Abeles [Member]	Dec. 31, 2013 Former Director [Member]	Dec. 31, 2013 Officers and Directors [Member]	Dec. 31, 2013 Restricted Stock [Member]	Dec. 31, 2013 Restricted Stock [Member]	Dec. 31, 2013 Restricted Stock [Member] Selling General and Administrative Expenses [Member]	Dec. 31, 2012 Restricted Stock [Member] Selling General and Administrative Expenses [Member]	Dec. 31, 2013 Restricted Stock [Member] Executive Director 1 [Member]	Dec. 31, 2012 Restricted Stock [Member] Executive Director 1 [Member]	Dec. 31, 2013 Restricted Stock [Member] Executive Director 2 [Member]	Dec. 31, 2012 Restricted Stock [Member] Executive Director 2 [Member]	Dec. 31, 2013 Restricted Stock [Member] Consultant [Member]	Dec. 31, 2012 Restricted Stock [Member] Consultant [Member]	Dec. 31, 2013 Restricted Stock [Member] Consultant [Member] Selling General and Administrative Expenses [Member]	Dec. 31, 2012 Restricted Stock [Member] Consultant [Member] Research and Development Expense [Member]	Dec. 31, 2013 Restricted Stock [Member] Director and Vice President [Member]	Dec. 31, 2012 Restricted Stock [Member] Director and Vice President [Member] Selling General and Administrative Expenses [Member]	Dec. 31, 2012 Restricted Stock [Member] Two Other Consultants [Member]	Dec. 31, 2012 Restricted Stock [Member] Two Other Consultants [Member] Selling General and Administrative Expenses [Member]	Dec. 31, 2012 Restricted Stock [Member] Two Other Consultants [Member] Research and Development Expense [Member]	Dec. 31, 2013 Restricted Stock [Member] Former Director [Member]	Dec. 31, 2013 Warrants and Stock Options [Member]	Dec. 31, 2012 Warrants and Stock Options [Member]	Dec. 31, 2013 Preferred Stock	Dec. 31, 2012 Preferred Stock
Stockholders Equity Note [Line Items]
Anti-dilutive securities not included in the computation of diluted loss per share																																39,000	922,667	634,586	604,214
Common stock issued for services (in shares)			12,998,913	8,086,524				3,731,198										902,764	2,252,415	1,805,528	3,817,736	2,346,148	849,838			1,805,528		1,066,667
Common stock issued for services	$ 241,000	$ 128,000	$ 13,000	$ 8,000												$ 52,500	$ 91,000							$ 36,000	$ 15,000		$ 55,000		$ 10,000	$ 12,000
Restricted common stocks issued for services, per share																$ 0.02	$ 0.00								$ 0.00		$ 0.014		$ 0.00	$ 0.00
Restricted common stocks issued for employee compensation, value																35,000
Restricted common stocks issued for employee compensation, per share																$ 0.02
Debt Conversion, Converted Instrument, Shares Issued										162,500,000
Purchase Of Restricted Unregistered Common Stock							11,000
Exercise Price Of Restricted Unregistered Common Stock						$ 0.01	$ 0.01
Fair Value Of Warrants					185
Common Stock Issuable From Current and Periods	4,863,194
Stock Issued During Period, Shares, New Issues			15,000,000								7,500,000			1,000,000	15,000,000
Stock Issued During Period, Value, New Issues	300,000		15,000								150,000			20,000	300,000
Share Price										$ 0.02	$ 0.02			$ 0.02	$ 0.02																$ 0.02
Allocated Share-based Compensation Expense									48,000
Selling General And Administrative Expense Recorded Value									48,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number									2,055,527
Equity Method Investment Ownership Number Of Shares Held										167,690,706			199,199,145
Debt Conversion, Converted Instrument, Amount	3,250,000	0								3,250,000
Equity Method Investment, Ownership Percentage										61.99%			73.64%
Record Of Payment For Services Rendered												$ 50,000
Common Stock, Capital Shares Reserved for Future Issuance																															2,500,000
Warrants Issued To Purchase Of Common Stock				13,000