Stockholders' Equity and Share-Based Compensation - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
Jan. 03, 2026	Dec. 28, 2024
Shares
Options outstanding, beginning (in shares)	1,696	1,693
Granted (in shares)	100	110
Exercised (in shares)	0	0
Cancelled:
Forfeited (in shares)	(7)	(4)
Expired (in shares)	(246)	(103)
Options outstanding, ending (in shares)	1,543	1,696
Vested and expected to vest (in shares)	1,543	1,696
Options exercisable (in shares)	1,390	1,586
Weighted Average Exercise Price
Options outstanding, beginning (in dollars per share)	$ 2.53	$ 2.79
Granted (in dollars per share)	1.11	1.1
Cancelled:
Forfeited (in dollars per share)	0.74	8.01
Expired (in dollars per share)	2.15	5.2
Options outstanding, ending (in dollars per share)	2.5	2.53
Vested and expected to vest (in dollars per share)	2.5	2.53
Options exercisable (in dollars per share)	$ 2.65	$ 2.62
Options outstanding, weighted average remaining contractual term	3 years 4 months 28 days	4 years 5 months 12 days
Vested and expected to vest, weighted average remaining contractual term	3 years 4 months 28 days	4 years 5 months 12 days
Exercisable, weighted average remaining contractual term	2 years 9 months 21 days	4 years 1 month 2 days
Options outstanding, aggregate intrinsic value		$ 2
Vested and expected to vest, aggregate intrinsic value		$ 2

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.