Note 8 - Income Taxes (Details Textual) - USD ($)	3 Months Ended
Dec. 29, 2019	Dec. 30, 2018	Sep. 29, 2019
Income Tax Expense (Benefit), Total	$ 1,871,000	$ 4,513,000
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest, Total	$ 7,588,000	$ 15,232,000
Effective Income Tax Rate Reconciliation, Percent, Total	24.60%	29.60%
State and Local Jurisdiction [Member]
Operating Loss Carryforwards, Total			$ 63,338,000

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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