Reconciliation of Basic and Diluted Net Income (Loss) Per Share Computations and Number of Dilutive Equity Awards Included in Dilutive Net Income Per Share Computation (Detail) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 02, 2024	Jan. 03, 2023	Dec. 28, 2021
Earnings Per Share [Abstract]
Net income (loss)	$ 19,660	$ 4,076	$ (3,606)
Weighted-average shares outstanding - basic	23,452	23,405	23,191
Dilutive effect of equity awards	471	257
Weighted-average shares outstanding - diluted	23,923	23,662	23,191