Share-Based Compensation (Details 1) (USD $)	12 Months Ended
Sep. 30, 2012	Sep. 30, 2011
Stock option activity
Outstanding, Beginning Number of shares	4,181,339	4,408,742
Outstanding, Beginning Weighted Average Exercise Price	$ 2.40	$ 2.50
Granted, Number of Shares	1,237,500	378,000
Granted, Weighted Average Exercise Price	$ 1.33	$ 2.39
Forfeited/ expired, Number of Shares	(1,955,500)	(473,638)
Forfeited/ expired, Weighted Average Exercise Price	$ 3.67	$ 3.60
Exercised, Number of Shares	0	(131,765)
Exercised, Weighted Average Exercise Price		$ 1.10
Outstanding, Ending Number of shares	3,463,339	4,181,339
Outstanding, Ending Weighted Average Exercise Price	$ 1.31	$ 2.40
Exercisable, Number of Shares	2,575,857	3,705,939
Exercisable, Weighted Average Exercise Price	$ 1.25	$ 2.47
Weighted average fair value of options granted during the year	$ 0.88	$ 1.60

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.

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

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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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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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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.

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