Note 3 - Income Taxes (Detail) - Summary of the Difference Between Statutory Federal Income Tax Rate and Effective Rate:	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Statutory federal income tax rate	34.00%	34.10%
State franchise taxes (net of federal tax benefit)	5.80%	5.80%
Reversal of liability for uncertain tax position	(3.60%)
Other, primarily dividends received deduction and domestic production activity deduction	(6.40%)	(5.20%)
Effective tax rate	29.80%	34.70%