Net Income Per Share - Schedule of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2022	Jul. 02, 2021	Jul. 01, 2022	Jul. 02, 2021
Earnings Per Share [Abstract]
Weighted-average number of shares outstanding during period	14,419	13,845	14,309	13,770
Common stock equivalents from incremental shares under equity-based compensation plans	703	1,127	741	1,188
Number of shares on which diluted earnings per share is based	15,122	14,972	15,050	14,958
Net income	$ 2,040	$ 1,833	$ 4,280	$ 3,341
Net income per share, basic	$ 0.14	$ 0.13	$ 0.30	$ 0.24
Net income per share, diluted	$ 0.13	$ 0.12	$ 0.28	$ 0.22