Computation of Basic and Diluted Net (Loss) Income Per Common Share - Reconciliation of Numerator and Denominator of Basic and Diluted Net Loss Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended			6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 03, 2021	Jul. 02, 2022	Jul. 02, 2022	Jul. 03, 2021
Numerator:
Net (loss) income	$ (2,241)	$ 1,393	$ 1,393	$ (4,632)	$ (4,632)	$ (617)
Denominator:
Weighted average shares of common stock (basic)	15,894		15,647	15,888		14,996
Weighted average shares of common stock (diluted)	15,894		16,307	15,888		14,996
Per share data:
Basic net (loss) income per share	$ (0.14)		$ 0.09	$ (0.29)		$ (0.04)
Diluted net (loss) income per share	$ (0.14)		$ 0.09	$ (0.29)		$ (0.04)
Restricted Stock Units (RSUs)
Denominator:
Dilutive Effect of Share-Based Payment Arrangements	0		233	0		0
Stock Options
Denominator:
Dilutive Effect of Share-Based Payment Arrangements	0		427	0		0