Stockholders' Equity - Stock Options Outstanding, Exercisable and Expected to Vest (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Stock options outstanding, exercisable and expected to vest
Options outstanding, Number of Shares	1,692,707	2,757,921	2,232,967
Options outstanding, Weighted Average Exercise Price	$ 2.89	$ 3.60	$ 4.27
Options outstanding, Weighted Average Remaining Contractual Life (years)	3 years 5 months 26 days
Options outstanding, Aggregate Intrinsic Value	$ 0
Options vested and expected to vest, Number of Shares	1,659,658
Options vested and expected to vest, Weighted Average Exercise Price	$ 2.90
Options vested and expected to vest, Weighted Average Remaining Contractual Life (years)	3 years 5 months 12 days
Options vested and expected to vest, Aggregate Intrinsic Value	$ 0
Options exercisable, Number of Shares	1,183,163
Options exercisable, Weighted Average Exercise Price	$ 3.17
Options exercisable, Weighted Average Remaining Contractual Life (years)	2 years 7 months 2 days
Options exercisable, Aggregate Intrinsic Value	$ 0