Note 8 - Income Taxes (Details Textual) - USD ($)	6 Months Ended
	Apr. 02, 2022	Apr. 03, 2021	Oct. 02, 2021
Effective Income Tax Rate Reconciliation, Percent, Total	22.60%	22.80%
Deferred Tax Liabilities, Net, Total	$ 7,412,000		$ 6,296,000
Operating Loss Carryforwards, Total	2,400,000
Deferred Tax Assets, Valuation Allowance, Total	$ 74,000		$ 73,000
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	2037