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Condensed Balance Sheets (Unaudited June 30,2013) (Parentheticals) (USD $)
Jun. 30, 2013
Sep. 30, 2012
Class A voting common stock, par value (in Dollars per share) $ 0.0166 $ 0.0166
Class A voting common stock, shares authorized 24,000,000 24,000,000
Class A voting common stock, shares issued 8,431,502 8,431,502
Treasury stock, shares 211,155 181,310