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Income Taxes (Details) (USD $)
6 Months Ended
Mar. 31, 2015
Income Tax Examination [Line Items]  
Reserves for uncertain tax positions 0us-gaap_LiabilityForUncertainTaxPositionsCurrent
Accrual for interest and penalties 0us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued
Minimum [Member]  
Income Tax Examination [Line Items]  
Years subject to income tax examination 2011
Maximum [Member]  
Income Tax Examination [Line Items]  
Years subject to income tax examination 2014