Note 15 - Leases (Details Textual) - USD ($)	3 Months Ended
	Jan. 02, 2021	Dec. 28, 2019
Operating Lease, Expense	$ 360,000	$ 327,000
Operating Lease, Weighted Average Remaining Lease Term (Year)	2 years 2 months 12 days
Operating Lease, Weighted Average Discount Rate, Percent	4.30%