Stockholders' Equity - Restricted Stock Units Outstanding, Vested and Expected to Vest (Details) - Restricted Stock Units (RSUs) - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Restricted stock units outstanding, vested and expected to vest
Restricted stock units outstanding, Number of Shares	253,761	524,851	411,133
Restricted stock units outstanding, Weighted Average Remaining Contractual Life (years)	1 year 29 days
Restricted stock units outstanding, Aggregate Intrinsic Value	$ 1,550
Restricted stock units vested and expected to vest, Number of Shares	221,439
Restricted stock units vested and expected to vest, Weighted Average Remaining Contractual Life (years)	1 year 7 days
Restricted stock units vested and expected to vest, Aggregate Intrinsic Value	$ 1,353