Common Stock Warrants, Stock Options, and Employee Stock Benefit Plan (Details Narrative) (USD $)	9 Months Ended
Jun. 30, 2013	Sep. 30, 2012
Common Stock Warrants [Member]
Warrants outstanding	44,737,000	28,416,000
Weighted average exercise price per share, warrants	$ 0.16	$ 0.21
Common Stock Warrants [Member] \| Minimum [Member]
Exercise price, warrants	$ 0.09	$ 0.07
Common Stock Warrants [Member] \| Maximum [Member]
Exercise price, warrants	$ 0.55	$ 13
Stock Options [Member]
Options outstanding	51,000,000	54,800,000
Weighted average exercise price per share, options	$ 0.21	$ 0.24
Options exercisable	41,400,000	34,500,000
Weighted average exercise price per share, options exercisable	$ 0.23	$ 0.31
Options granted	4,700,000
Options exercised	1,100,000
Aggregate intrinsic value, options outstanding		$ 115,000
Aggregate intrinsic value, options exercisable		297,000
Compensation costs related to non-vested option awards not yet recognized	654,000
Weighted-average remaining vesting period of non-vested options	10 months 24 days
Employee Stock Benefit Plan [Member]
Maximum payroll contribution	15.00%
Contribution, common stock	0	6,000,000
Contribution market value	$ 0	$ 600,000

No authoritative reference available.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Aggregate unrecognized cost of option awards made to employees under a stock option plan or plans, that have yet to vest.

+ References

No definition available.

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award.

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Number of shares reserved for issuance under non-option equity instrument agreements awarded that validly exist and are outstanding, including vested instruments.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Net number of share options (or share units) granted during the period.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of options outstanding.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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As of the balance sheet date, the weighted-average exercise price for outstanding stock options that are fully vested or expected to vest.

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Number of share options (or share units) exercised during the current period.

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