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Note 10 - Income Taxes (Details Textual) - USD ($) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 02, 2016 | Oct. 01, 2016 | Oct. 03, 2015 | Sep. 27, 2014
State and Local Jurisdiction [Member] | Earliest Tax Year [Member] |  |  |  |
Operating Loss Carryforwards Expiration Date 1 | 2017 |  |  |
Tax Credit Carryforward, Expiration Date 1 | 2018 |  |  |
State and Local Jurisdiction [Member] | Latest Tax Year [Member] |  |  |  |
Operating Loss Carryforwards Expiration Date 1 | 2031 |  |  |
Tax Credit Carryforward, Expiration Date 1 | 2020 |  |  |
State and Local Jurisdiction [Member] |  |  |  |
Deferred Tax Assets, Tax Credit Carryforwards |  | $ 87,000 |  |
Deferred Tax Liabilities, Net, Noncurrent |  | 5,472,000 | $ 6,057,000 |
Deferred Tax Assets, Net of Valuation Allowance, Current |  |  | 1,500,000 |
Operating Loss Carryforwards |  | 7,500,000 |  |
Deferred Tax Assets, Valuation Allowance |  | 280,000 | 492,000 |
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount |  | (212,000) |  |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense |  | $ 0 | $ 0 | $ 0

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