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