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Common Stock (Details Textual) (USD $)
 1 Months Ended 12 Months Ended
Sep. 30, 2010
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2010
Proceeds from stock options exercised   $ 0 $ 189,000 $ 56,000
Treasury Stock, Shares, Acquired   262,054 415,384 197,950
Treasury Stock, Value 1,600,000 2,100,000 3,300,000 1,600,000
Shares, Issued 895,255   26,320 895,255
Convertible Debt 7,500,000   269,780 7,500,000
Temporary Equity Transfer Shares 29,000     29,000
Temporary Equity Transfer Value     70,000  
Warrants Excersiced   118,856 1,400,000  
Proceeds from Warrant Exercises   $ 1,000,000    
Common Stock [Member]
        
Exercised, Shares   0 25,000 0