Note 3 - Income Taxes (Detail) (USD $)	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Mar. 31, 2012
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest	$ 7,901,000	$ 12,000,000
Income Tax Expense (Benefit)	2,360,000	4,160,000
Income Tax Examination, Liability Recorded			700,000
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority			$ 282,000
Effective Income Tax Rate, Continuing Operations	29.80%	34.70%