Subsequent Events - Additional Information (Detail) (USD $)	1 Months Ended	12 Months Ended					1 Months Ended	3 Months Ended	5 Months Ended	12 Months Ended		12 Months Ended
	Aug. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Nov. 30, 2012	Oct. 31, 2012	Mar. 31, 2012	Jul. 31, 2012 Five Year Warrants	Mar. 31, 2012 Five Year Warrants	Dec. 31, 2012 Five Year Warrants	Dec. 31, 2012 Five Year Warrants	Dec. 31, 2012 Subsequent Event	Dec. 31, 2012 Subsequent Event Two Vendors	Dec. 31, 2012 Subsequent Event Original Issue Discount Unsecured Convertible Debentures 5 Numbers	Dec. 31, 2012 Subsequent Event Original Issue Discount Unsecured Convertible Debentures 5 Five Year Warrants	Dec. 31, 2012 Subsequent Event Original Issue Discount Unsecured Convertible Debentures 5 Agent Warrants
Subsequent Event [Line Items]
Restricted shares issued to vendor for services, shares							50,000					1,500,000
Restricted shares issued to vendor for services, value		$ 81,500	$ 86,405				$ 8,500					$ 120,000
Long-term Debt, Gross													738,947
Proceeds from issuance of convertible notes payable		3,305,762	0										702,000
Conversion price at maturity		$ 0.099		$ 0.099	$ 0.099	$ 0.0573							$ 0.0573
Debt Instrument, Interest Rate at Period End													20.00%
Debt Instrument, Convertible, Number of Equity Instruments													12,896,115
Proceeds From Conversion Of Convertible Debt													544,000
Payment Of Fees and Expenses													158,000
Warrants Issued To Purchase Common Stock	1,485,838							20,511,000	5,066,000	25,577,000				6,448,057	1,937,417
Common Stock Exercise Price													$ 0.0745
Fair Value Of Warrants															108,000
Debt Instrument, Unamortized Discount											689,000
Estimated Fair Value Of Warrants Beneficial Conversion Feature											794,000
Stock Options Would Be Recognized As Interest Expense											$ 105,000