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Earnings Per Share Data (Details Textual)
3 Months Ended 9 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Earnings Per Share Data (Textual) [Abstract]        
Number of potentially anti-dilutive common stock equivalents (stock options) excluded 345,500 27,500 345,500 27,500