Note 15 - Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Jan. 01, 2022	Oct. 02, 2021
Other assets	$ 1,944	$ 1,717
Accrued expenses	1,115	1,030
Other liabilities	836	695
Other Noncurrent Assets [Member]
Other assets	1,944	1,717
Accrued Expenses, Current [Member]
Accrued expenses	1,115	1,030
Other Noncurrent Liabilities [Member]
Other liabilities	836	695
Accrued Expenses Current and Other Noncurrent Liabilities [Member]
Total operating lease liabilities	$ 1,951	$ 1,725