The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.

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-Publisher FASB
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Period Type:	instant

Income Taxes - Deferred Tax Assets (Liabilties) (Details) - USD ($)	Sep. 30, 2012	Sep. 30, 2011
Income Tax Disclosure [Abstract]
Net operating loss carryforwards
Valuation allowance
Operating loss carryforwards