Warrrnts Granted (Detail) (USD $)	3 Months Ended
	Mar. 31, 2013
10% convertible debenture - bonus warrants
Share-Based Compensation [Line Items]
Number of Shares Issuable	483,357
Weighted - Average Exercise Price	$ 0.60
10% convertible preferred stock - warrants
Share-Based Compensation [Line Items]
Number of Shares Issuable	3,761,365
Weighted - Average Exercise Price	$ 1.00
8% convertible promissory notes - warrants
Share-Based Compensation [Line Items]
Number of Shares Issuable	22,195,474
Weighted - Average Exercise Price	$ 0.60
Consultants
Share-Based Compensation [Line Items]
Number of Shares Issuable	5,287,959
Weighted - Average Exercise Price	$ 1.16
Warrant
Share-Based Compensation [Line Items]
Number of Shares Issuable	31,728,155
Weighted - Average Exercise Price	$ 0.74