Condensed Balance Sheets (Unaudited for Dec 31, 2012) (Parentheticals) (USD $)	Dec. 31, 2012	Sep. 30, 2012
Class A voting common stock, par value (in Dollars per share) (in Dollars per share) (in Dollars per share) (in Dollars per share) (in Dollars per share)	$ 0.0166	$ 0.0166
Class A voting common stock, shares authorized (in Shares) (in Shares) (in Shares)	24,000,000	24,000,000
Class A voting common stock, shares issued (in Shares) (in Shares) (in Shares)	8,431,502	8,431,502
Treasury stock, shares (in Shares) (in Shares) (in Shares)	173,147	181,310