Warrrnts Outstanding (Detail) (USD $)	3 Months Ended
	Mar. 31, 2014
Share-Based Compensation [Line Items]
Number of Shares Issuable	45,587,479
Weighted-Average Excercise Price	$ 0.69
10% convertible debenture - bonus warrants
Share-Based Compensation [Line Items]
Number of Shares Issuable	305,566
Weighted-Average Excercise Price	$ 0.60
10% convertible preferred stock - warrants
Share-Based Compensation [Line Items]
Number of Shares Issuable	3,761,365
Weighted-Average Excercise Price	$ 1.00
8% convertible promissory notes - warrants
Share-Based Compensation [Line Items]
Number of Shares Issuable	37,846,375
Weighted-Average Excercise Price	$ 0.60
Consultants
Share-Based Compensation [Line Items]
Number of Shares Issuable	3,674,173
Weighted-Average Excercise Price	$ 1.17