Statements of Stockholders' Equity (USD $)	Total	Class A voting Common Stock	Capital in Excess of Par Value	Deferred Directors' Compensation	Retained Earnings	Treasury Stock
Balance at Sep. 30, 2010	$ 73,581,996	$ 140,524	$ 1,816,365	$ 2,222,127	$ 73,599,733	$ (4,196,753)
Balance, shares at Sep. 30, 2010		8,431,502				(120,560)
Purchase of treasury stock	(576,813)					(576,813)
Purchase of treasury stock, shares						(21,852)
Restricted stock awards	12,028		12,028
Net income	1,426,849				1,426,849
Dividends ($.14 per share)	(1,163,329)				(1,163,329)
Increase in deferred directors' compensation charged to expense	141,313			141,313
Balance at Dec. 31, 2010	73,422,044	140,524	1,828,393	2,363,440	73,863,253	(4,773,566)
Balance, shares at Dec. 31, 2010		8,431,502				(142,412)
Balance at Sep. 30, 2011	78,802,317	140,524	1,924,507	2,665,583	79,771,563	(5,699,860)
Balance, shares at Sep. 30, 2011		8,431,502				(175,331)
Restricted stock awards	57,729		57,729
Net income	3,412,110				3,412,110
Dividends ($.14 per share)	(1,161,075)				(1,161,075)
Increase in deferred directors' compensation charged to expense	119,876			119,876
Balance at Dec. 31, 2011	$ 81,230,957	$ 140,524	$ 1,982,236	$ 2,785,459	$ 82,022,598	$ (5,699,860)
Balance, shares at Dec. 31, 2011		8,431,502				(175,331)