Quarterly Financial Data (Unaudited) - Schedule Of Quarterly Financial Data (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Oct. 01, 2021	Jul. 02, 2021	Apr. 02, 2021	Jan. 01, 2021	Oct. 02, 2020	Jul. 03, 2020	Apr. 03, 2020	Dec. 31, 2021	Jan. 01, 2021	Jan. 03, 2020
Quarterly Financial Data [Abstract]
Net sales	$ 59,001	$ 58,352	$ 62,367	$ 50,752	$ 45,998	$ 47,081	$ 35,194	$ 35,187	$ 230,472	$ 163,460	$ 150,185
Gross profit	44,991	45,301	49,203	39,142	34,301	34,871	24,430	24,760	178,637	118,362	111,954
Net income	$ 4,922	$ 6,020	$ 8,567	$ 4,992	$ 3,327	$ 3,892	$ (1,172)	$ (134)	$ 24,501	$ 5,913	$ 14,048
Net income (loss) per share – basic	$ 0.10	$ 0.13	$ 0.18	$ 0.11	$ 0.07	$ 0.08	$ (0.03)		$ 0.52	$ 0.13	$ 0.32
Net income (loss) per share – diluted	$ 0.10	$ 0.12	$ 0.17	$ 0.10	$ 0.07	$ 0.08	$ (0.03)		$ 0.50	$ 0.12	$ 0.30