Note 10 - Income Taxes - Components of Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 03, 2020	Sep. 28, 2019	Sep. 29, 2018
Federal	$ 5,056	$ (126)	$ 8,265
State	529	185	906
Total current	5,585	59	9,171
Federal	(288)	1,649	(2,862)
State	(136)	149	55
Total deferred	(424)	1,798	(2,807)
Provision for income taxes	$ 5,161	$ 1,857	$ 6,364
Effective income tax rate	21.40%	24.90%	14.90%