Preferred stock and common stock (Detail) (USD $)	12 Months Ended
	Sep. 30, 2012		Sep. 30, 2011		Sep. 30, 2010
Preferred Stock, Shares Authorized	5,000,000		5,000,000
Preferred Stock, Par or Stated Value Per Share (in Dollars per share)	$ 0.001		$ 0.001
Proceeds from Issuance of Preferred Stock and Preference Stock (in Dollars)	$ 660,935		$ 407,104
Return of Series A Preferred Stock in Exchange for Note Payable (in Dollars)	(75,900)		(51,300)
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)	0.0106
Preferred Stock, Value, Issued (in Dollars)	427	[1]	1,703	[1]
Common Stock, Shares Authorized	1,800,000,000		500,000,000
Common Stock, Par or Stated Value Per Share (in Dollars per share)	$ 0.001		$ 0.001
Proceeds from Issuance of Common Stock (in Dollars)	1,345,120
Stock Issued During Period, Value, Issued for Services (in Dollars)			213,048
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	25,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	38,200,000		236,664,716
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share)	$ 0.01		$ 0.01
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	246,482,543		230,282,543		3,936,760
Allocated Share-based Compensation Expense (in Dollars)	55,894		372,869
Scenario, Previously Reported [Member] | Common Stock [Member]
Common Stock, Shares Authorized	500,000,000
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate	2.30%		1.30%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate	201.00%		225.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	4 years 292 days		4 years 328 days
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	0.00%
Restricted Common Stock [Member]
Conversion of Series B Preferred Stock to common stock in Shares	10,164,212
Common Stock [Member] | Series C Preferred Stock [Member] | Consultants [Member]
Convertible Preferred Stock, Shares Issued upon Conversion	25,000,000
Common Stock [Member] | Series C Preferred Stock [Member]
Shares, Issued	1,000
Common Stock [Member]
Shares, Issued	503,041,505		129,817,322		53,229,325
Conversion of Series B Preferred Stock to common stock in Shares	10,164,212
Warrant Issued to Purchase Stock	10,678,571
Convertible Preferred Stock, Shares Issued upon Conversion	87,848,000
Common Stock, Shares Authorized	1,800,000,000
Common Stock, Par or Stated Value Per Share (in Dollars per share)	$ 0.001
Proceeds from Issuance of Common Stock (in Dollars)	137,997
Stock Issued During Period, Shares, Issued for Services (in Shares)			2,000,000
Stock Issued During Period, Value, Issued for Services (in Dollars)			2,000
Investment Warrants, Exercise Price (in Dollars per share)	$ 0.015
Common Stock Issued for Settlement of Liabilities and Conversion of Notes Payable [Member]
Shares, Issued	101,136,800		77,010,976
Proceeds from Issuance of Common Stock (in Dollars)	553,160		996,844
Warrant [Member] | Convertible Common Stock [Member]
Shares, Issued	127,318,572
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)	0.016
Warrant [Member] | Restricted Common Stock [Member]
Shares, Issued	127,318,572
Warrant [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)	0.01
Investment Warrants, Exercise Price (in Dollars per share)	$ 0.01
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number	348,585,700		10,248,785		974,474
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	343,600,000
Series A Preferred Stock [Member]
Preferred Stock, Shares Designated	2,500,000		2,500,000
Return of Series A Preferred Stock in exchange of note payable	1,380,000		932,727
Shares, Issued	2,312,727
Proceeds from Issuance of Preferred Stock and Preference Stock (in Dollars)	127,200
Return of Series A Preferred Stock in Exchange for Note Payable (in Dollars)			51,300
Preferred Stock, Shares Issued	0		1,380,000
Preferred Stock, Value, Issued (in Dollars)		[2]	1,380	[2]
Series B Preferred Stock [Member]
Preferred Stock, Shares Designated	1,000,000		1,000,000
Shares, Issued	142,200
Proceeds from Issuance of Preferred Stock and Preference Stock (in Dollars)	142,200		304,500
Preferred Stock, Dividend Rate, Percentage			6.00%
Preferred Stock, Shares Issued	420,700		322,904
Payment of Amounts Owed to an Existing Note Holder by Issuance of Preferred Stock (in Dollars)			18,000
Conversion of Series B Preferred Stock to common stock in Shares	44,404
Preferred Stock, Value, Issued (in Dollars)	421	[3]	323	[3]
Series C Preferred Stock [Member] | Consultants [Member]
Preferred Stock, Shares Issued	25,000
Warrant Issued to Purchase Stock	25,000,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)	0.015
Preferred Stock, Value, Issued (in Dollars)	175,000
Series C Preferred Stock [Member]
Preferred Stock, Shares Designated	1,000,000		1,000,000
Shares, Issued	94,419
Proceeds from Issuance of Preferred Stock and Preference Stock (in Dollars)	661,000
Preferred Stock, Dividend Rate, Percentage	8.00%
Preferred Stock, Shares Issued	6,571
Warrant Issued to Purchase Stock	94,419,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)	0.015
Convertible Preferred Stock, Shares Issued upon Conversion	87,848
Preferred Stock, Value, Issued (in Dollars)	6	[4]		[4]
Convertible Common Stock [Member]
Proceeds from Issuance of Common Stock (in Dollars)	1,500,600
Stock Issued During Period, Shares, Issued for Services (in Shares)	9,197,942		2,000,000
Stock Issued During Period, Value, Issued for Services (in Dollars)	82,500		213,048
Sales Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	38,200,000		209,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value (in Dollars)			1,536,000
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share)	$ 0.01		$ 0.01
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	225,200,000		209,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)	$ 0.01
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term	8 years 292 days
Deferred Compensation Equity (in Dollars)	1,850,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value (in Dollars)	$ 1,400,000
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	900,000

[1] $0.001 par value; 5,000,000 shares authorized for 2012 & 2011.

[2] $0.001 par value, 2,500,000 shares designated,0 and 1,380,000 shares issued and outstanding, respectively for 2012 & 2011.

[3] $0.001 par value, 1,000,000 shares designated, 420,700 and 322,904 shares issued and outstanding, respectively for 2012 & 2011.

[4] $0.001 par value, 1,000,000 shares designated, 6,571 and no shares issued and outstanding, respectively for 2012 & 2011.