Stockholders' Equity and Stock-Based Compensation - Summary of Stock Options Outstanding, Vested, Expected to Vest and Exercisable (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
	Jul. 02, 2022	Jan. 02, 2022	Jul. 02, 2021
Stock options outstanding, exercisable and expected to vest
Options outstanding, Number of Shares	1,737,212	1,772,621	1,737,212
Options vested and expected to vest, Number of Shares	1,652,151
Options exercisable, Number of Shares	833,881
Options outstanding, Weighted Average Exercise Price	$ 4.90	$ 5.07
Options vested and expected to vest, Weighted Average Exercise Price	4.89
Options exercisable, Weighted Average Exercise Price	$ 4.75
Options outstanding, Weighted Average Remaining Contractual Life (Years)	5 years 2 months 8 days
Options vested and expected to vest, Weighted Average Remaining Contractual Life (Years)	5 years 1 month 20 days
Options exercisable, Weighted Average Remaining Contractual Life (Years)	4 years 3 months 10 days
Options outstanding, Aggregate Intrinsic Value	$ 146
Options vested and expected to vest, Aggregate Intrinsic Value	142
Options exercisable, Aggregate Intrinsic Value	$ 95