Common Stock Warrants, Stock Options, and Employee Stock Benefit Plan (Details Narrative) (USD $)	6 Months Ended
	Mar. 31, 2013	Sep. 30, 2012
Common Stock Warrants [Member]
Warrants outstanding	37,754,000	28,416,000
Weighted average exercise price per share, warrants	$ 0.17	$ 0.21
Common Stock Warrants [Member] | Minimum [Member]
Exercise price, warrants	$ 0.11	$ 0.07
Common Stock Warrants [Member] | Maximum [Member]
Exercise price, warrants	$ 0.55	$ 13
Stock Options [Member]
Options outstanding	49,300,000	4,800,000
Weighted average exercise price per share, options	$ 0.24	$ 0.24
Options exercisable	39,600,000	34,500,000
Weighted average exercise price per share, options outstanding	$ 0.24	$ 0.27
Weighted average exercise price per share, options exercisable	$ 0.27	$ 0.31
Options granted	2,800,000
Options exercised	1,100,000
Aggregate intrinsic value, options outstanding		$ 115,000
Aggregate intrinsic value, options exercisable		297,000
Employee Stock Benefit Plan [Member]
Maximum payroll contribution	15.00%
Contribution, common stock		6,000,000
Contribution market value		$ 600,000