Note 8 - Income Taxes (Details Textual) - USD ($)	9 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Oct. 03, 2020
Effective Income Tax Rate Reconciliation, Percent, Total	22.60%	21.70%
Deferred Tax Liabilities, Net, Total	$ 6,532,000		$ 6,568,000
Deferred Tax Assets, Valuation Allowance, Total	170,000		$ 207,000
State and Local Jurisdiction [Member]
Operating Loss Carryforwards, Total	$ 3,200,000
State and Local Jurisdiction [Member] | Earliest Tax Year [Member]
Operating Loss Carryforwards Expiration Date 1	2031
State and Local Jurisdiction [Member] | Latest Tax Year [Member]
Operating Loss Carryforwards Expiration Date 1	2036