Note 7 - Income Taxes (Details Textual) - USD ($)	6 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Oct. 01, 2016
Effective Income Tax Rate Reconciliation, Percent	33.80%	34.30%
Deferred Tax Liabilities, Net, Noncurrent	$ 6,382,000		$ 5,472,000
Operating Loss Carryforwards	7,500,000
Deferred Tax Assets, Valuation Allowance	280,000		$ 280,000
State and Local Jurisdiction [Member]
Deferred Tax Assets, Tax Credit Carryforwards	$ 87,000
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