Note 3 - Income Taxes (Details) - Summary of the Difference Between Statutory Federal Income Tax Rate and Effective Rate:	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Summary of the Difference Between Statutory Federal Income Tax Rate and Effective Rate: [Abstract]
Statutory federal income tax rate	34.00%	34.00%
State franchise taxes (net of federal tax benefit)	5.00%	5.80%
Effect of state rate change on beginning balance of deferred tax liabilities	(9.40%)
Reversal of liability for uncertain tax position		(3.60%)
Other, primarily dividends received deduction and domestic production activity deduction	(12.30%)	(6.40%)
Effective tax rate	17.30%	29.80%