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Note 8 - Income Taxes (Details Textual) - USD ($) | 9 Months Ended |
--- | --- | ---
Jun. 27, 2020 | Jun. 29, 2019 | Sep. 28, 2019
Effective Income Tax Rate Reconciliation, Percent, Total | 21.70% | 22.40% |
Deferred Tax Liabilities, Net, Noncurrent | $ 7,292,000 |  | $ 6,900,000
Deferred Tax Assets, Tax Credit Carryforwards, Total | 8,000 |  |
Deferred Tax Assets, Valuation Allowance, Total | 202,000 |  | $ 257,000
Unrecognized Tax Benefits, Ending Balance | 68,000 |  |
State and Local Jurisdiction [Member] |  |  |
Operating Loss Carryforwards, Total | $ 2,300,000 |  |
State and Local Jurisdiction [Member] | Earliest Tax Year [Member] |  |  |
Operating Loss Carryforwards Expiration Date 1 | 2022 |  |
State and Local Jurisdiction [Member] | Latest Tax Year [Member] |  |  |
Operating Loss Carryforwards Expiration Date 1 | 2035 |  |

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