Consolidated Statements of Shareholders' Deficit - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit
Balance (in shares) at Jan. 01, 2022		22,683,000
Balance at Jan. 01, 2022	$ (424,953)	$ 227	$ 3,971	$ (429,151)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	36,610			36,610
Exercise of common stock options (in shares)		48,000
Exercise of common stock options	1,131	$ 0	1,131
Stock-based compensation (in shares)		405,000
Stock-based compensation	13,223	$ 4	13,219
Repurchases of common stock (in shares)		(1,122,000)
Repurchases of common stock	(64,188)	$ (11)	(13,139)	(51,038)
Balance (in shares) at Dec. 31, 2022		22,014,000
Balance at Dec. 31, 2022	(438,177)	$ 220	5,182	(443,579)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(15,287)			(15,287)
Exercise of common stock options (in shares)		20,000
Exercise of common stock options	428		428
Stock-based compensation (in shares)		335,000
Stock-based compensation	14,855	$ 3	14,852
Repurchases of common stock (in shares)		(134,000)
Repurchases of common stock	$ (3,747)	$ (1)	(3,746)	0
Balance (in shares) at Dec. 30, 2023	22,235,000	22,235,000
Balance at Dec. 30, 2023	$ (441,928)	$ 222	16,716	(458,866)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	$ (20,334)			(20,334)
Exercise of common stock options (in shares)	0	0
Exercise of common stock options	$ 0		0
Stock-based compensation (in shares)		209,000
Stock-based compensation	11,444	$ 3	11,441
Repurchases of common stock (in shares)		(56,000)
Repurchases of common stock	$ (768)	$ (1)	(767)
Balance (in shares) at Dec. 28, 2024	22,388,000	22,388,000
Balance at Dec. 28, 2024	$ (451,586)	$ 224	$ 27,390	$ (479,200)