Antidilutive Securities Excluded from Computation of Earnings Per Share (Detail)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	162,125,984	94,481,037
Employee Stock Option
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	15,075,000	19,491,667
Convertible Debentures
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	56,036,190	12,337,378
Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	3,085,000	3,585,000
Warrant
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	87,929,794	59,066,992