Note 8 - Income Taxes (Details Textual) - USD ($)	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Income Tax Expense (Benefit)	$ (310,000)	$ (185,000)
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	$ (1,781,000)	$ (135,000)
Effective Income Tax Rate Reconciliation, Percent	17.00%	137.00%
Liability for Uncertainty in Income Taxes, Noncurrent	$ 2,655,000
Unrecognized Tax Benefits, Accumulated Reduction	589,000
Interest Expense Accrued for Uncertain and Unrecognized Tax Benefits [Member]
Unrecognized Tax Benefits, Interest on Income Taxes Expense	$ 9,000	$ 24,000