Income Taxes - Components of the income tax (provision) benefit (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2023	Jan. 02, 2022	Jan. 03, 2021
Current:
Federal	$ (2,325)	$ (5,919)	$ 900
State	(64)	(1,956)	357
Total current (provision) benefit	(2,389)	(7,875)	1,257
Deferred:
Federal	(1,263)	1,341	(220)
State	(395)	322	234
Total deferred (provision) benefit	(1,658)	1,663	14
Income tax (provision) benefit	$ (4,047)	$ (6,212)	$ 1,271