Income Taxes - Income (Loss) Before Income Taxes (Detail) - USD ($) $ in Thousands		12 Months Ended
	Jan. 02, 2021	Jan. 01, 2022	Jan. 02, 2021
Schedule of Components of Income Before Income Tax Expense (Benefit) [Line Items]
U.S		$ (22,694)	$ (14,784)
Foreign		212	6,060
Loss from continuing operations before provision for income taxes	$ (8,724)	$ (22,482)	$ (8,724)
Effective tax rate		(2.60%)	(19.60%)