Subsequent Events - Additional Information (Detail) (USD $)	6 Months Ended					6 Months Ended	1 Months Ended			9 Months Ended				1 Months Ended		6 Months Ended			6 Months Ended		1 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	Jun. 30, 2013 Maximum	Jun. 30, 2013 Minimum	Jun. 30, 2013 Five Year Warrants	Feb. 28, 2014 Subsequent Event	Nov. 30, 2013 Subsequent Event	Sep. 30, 2013 Subsequent Event	Sep. 30, 2013 Subsequent Event Restricted Stock	Sep. 30, 2013 Subsequent Event Unsecured Note	Nov. 30, 2013 Subsequent Event Maximum	Nov. 30, 2013 Subsequent Event Minimum	Nov. 30, 2013 Subsequent Event Agent Warrants	Nov. 30, 2013 Subsequent Event Five Year Warrants	Jun. 30, 2013 Subsequent Event 5% Original Issue Discount Unsecured Convertible Debentures	Jun. 30, 2013 Subsequent Event 5% Original Issue Discount Unsecured Convertible Debentures Maximum	Jun. 30, 2013 Subsequent Event 5% Original Issue Discount Unsecured Convertible Debentures Minimum	Jun. 30, 2013 Subsequent Event 5% Original Issue Discount Unsecured Convertible Debentures Agent Warrants	Jun. 30, 2013 Subsequent Event 5% Original Issue Discount Unsecured Convertible Debentures Five Year Warrants	Nov. 30, 2013 Subsequent Event Convertible Debenture	Nov. 30, 2013 Subsequent Event New Convertible Debenture
Subsequent Event [Line Items]
Convertible debt, net	$ 1,477,028		$ 608,622					$ 210,526													$ 264,211	$ 301,106
Accrued interest related to debentures								25,378
Issuance Of Common Stock For Accrued Interest Shares								442,905
Debt conversion converted instrument amount 1								3,674,101
Debt instrument, convertible, conversion price				$ 0.099	$ 0.0573							$ 0.099	$ 0.0573				$ 0.045	$ 0.0573				$ 0.045
Long-term Debt, Gross	862,000		3,186,000													1,701,113
Proceeds From Convertible Debt	862,000	2,233,000														1,616,376
Debt Instrument, Convertible, Number Of Equity Instruments																37,752,273
Proceeds From Conversion Of Convertible Debt																1,488,000
Payment Of Fees And Expenses																128,000
Debt Instrument, Interest Rate at Period End									18.40%								16.00%	10.00%			16.00%	10.00%
Common Stock Exercise Price								$ 0.09				$ 0.1287	$ 0.0745				$ 0.090	$ 0.0745
Warrants Issued To Purchase Common Stock						10,293,052								1,660,948	3,145,662				504,716	18,876,136
Proceeds from Issuance of Debt											45,000
Stock Issued During Period, Shares, New Issues										500,000
Stock Issued During Period, Value, New Issues										54,325
Interest Payable																						36,895
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercises In Period							931,200
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price							$ 0.02
Stock Issued During Period, Value, Stock Options Exercised							$ 18,624
Debt Instrument, Maturity Date																					Nov. 30, 2014