Note 15 - Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Jul. 02, 2022	Oct. 02, 2021
Right-of-use asset	$ 1,856	$ 1,717
Accrued expenses	1,136	1,030
Other liabilities	728	695
Other Noncurrent Assets [Member]
Right-of-use asset	1,856	1,717
Accrued Expenses, Current [Member]
Accrued expenses	1,136	1,030
Other Noncurrent Liabilities [Member]
Other liabilities	728	695
Accrued Expenses Current and Other Noncurrent Liabilities [Member]
Total operating lease liabilities	$ 1,864	$ 1,725