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Income Taxes (Details 3) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Reconciliation of the beginning and ending amount of unrecognized tax benefits    
Balance at beginning of period   $ 264
Gross Decreases-lapse of statute of limitations   (264)
Unrecognized tax benefits    
Unrecognized tax benefits currently recognized, impact on income statement $ 236  
Reversal of accrued interest expense related to the unrecognized tax benefits   $ (75)