Condensed Consolidated Statements of Shareholders' Deficit - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit
Beginning balance (in shares) at Dec. 30, 2023		22,235
Beginning balance at Dec. 30, 2023	$ (441,928)	$ 222	$ 16,716	$ (458,866)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(7,482)			(7,482)
Stock-based compensation (in shares)		134
Stock-based compensation	4,117	$ 1	4,116
Repurchases of common stock (in shares)		(43)
Repurchases of common stock	(570)	$ 0	(570)
Ending balance (in shares) at Mar. 30, 2024		22,326
Ending balance at Mar. 30, 2024	$ (445,863)	$ 223	20,262	(466,348)
Beginning balance (in shares) at Dec. 28, 2024	22,388	22,388
Beginning balance at Dec. 28, 2024	$ (451,586)	$ 224	27,390	(479,200)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(8,646)			(8,646)
Stock-based compensation (in shares)		346
Stock-based compensation	3,951	$ 3	3,948
Repurchases of common stock (in shares)		(74)
Repurchases of common stock	$ (563)		(563)
Ending balance (in shares) at Mar. 29, 2025	22,660	22,660
Ending balance at Mar. 29, 2025	$ (456,844)	$ 227	$ 30,775	$ (487,846)