Note 7 - Income Taxes (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
California Enterprise Zone Credits [Member]
Income Tax Expense (Benefit)			$ (400,000)
Income Tax Expense (Benefit)	$ (60,000)	$ (25,000)	(760,000)	$ (15,000)
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest	(27,000)	$ 13,000	$ 210,000	$ (564,000)
Effective Income Tax Rate Reconciliation, Percent			(362.00%)	3.00%
Liability for Uncertain Tax Positions, Noncurrent	$ 3,059,000		$ 3,059,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense			$ 70,000