Note 10 - Income Taxes - Income Tax Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
Oct. 02, 2021	Oct. 03, 2020	Sep. 28, 2019
Provision for income taxes at federal statutory rate	$ 18,082	$ 5,076	$ 1,566
Provision for income taxes at federal statutory rate, percentage	21.00%	21.00%	21.00%
State income taxes, net of federal tax benefit	$ 1,544	$ 319	$ 297
State income taxes, net of federal tax benefit, percentage	1.80%	1.30%	4.00%
Stock-based compensation	$ (253)	$ 128	$ 90
Stock-based compensation, percentage	(0.30%)	0.50%	1.20%
Valuation allowance	$ (134)	$ (50)	$ 24
Valuation allowance, percentage	(0.20%)	(0.20%)	0.30%
Net operating loss carryback - CARES Act	$ 0	$ (223)	$ 0
Net operating loss carryback - CARES Act, percentage	0.00%	(0.90%)	0.00%
Federal tax return true-up	$ 0	$ 0	$ (142)
Federal tax return true-up, percentage	0.00%	0.00%	(1.90%)
Other, net	$ 254	$ (89)	$ 22
Other, net, percentage	0.30%	(0.30%)	0.30%
Provision for income taxes	$ 19,493	$ 5,161	$ 1,857
Provision for income taxes, percentage	22.60%	21.40%	24.90%

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to net operating loss carryback under the CARES act.

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