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Employee Stock Ownership Plan (Tables)
12 Months Ended
Sep. 30, 2012
Employee Stock Ownership Plan/Deferred Compensation Plan For Directors [Abstract]  
Summary of contributions to the plan
                 

Year

  Shares     Amount  

2012

    10,660     $ 326,942  

2011

    10,710     $ 303,843  

2010

    11,632     $ 287,194