Reconciliation of Basic and Diluted Net (Loss) Income Per Share Computations and Number of Dilutive Equity Awards Included in Dilutive Net Income (Loss) Per Share Computation (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 29, 2022	Mar. 30, 2021
Earnings Per Share [Abstract]
Net income (loss)	$ 1,460	$ (3,141)
Weighted-average shares outstanding – basic	23,377	22,926
Dilutive effect of equity awards	339
Weighted-average shares outstanding – diluted	23,716	22,926
Net income (loss) per share:
Basic	$ 0.06	$ (0.14)
Diluted	$ 0.06	$ (0.14)