Note 15 - Leases (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Operating Lease, Expense	$ 357,000	$ 289,000	$ 1,100,000	$ 953,000
Operating Lease, Weighted Average Remaining Lease Term (Year)	1 year 9 months 18 days		1 year 9 months 18 days
Operating Lease, Weighted Average Discount Rate, Percent	4.20%		4.20%