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Income (Loss) Per Common Share (Details 1)
3 Months Ended 9 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Weighted average numbers of certain securities excluded from the calculation of diluted income (loss) per common share        
Weighted average numbers of securities 67,178    68,097 256,164
Stock options [Member]
       
Weighted average numbers of certain securities excluded from the calculation of diluted income (loss) per common share        
Weighted average numbers of securities          142,234
Restricted stock [Member]
       
Weighted average numbers of certain securities excluded from the calculation of diluted income (loss) per common share        
Weighted average numbers of securities 67,178    68,097 113,930