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 Jan. 01, 2022		22,683
Beginning balance at Jan. 01, 2022	$ (424,953)	$ 227	$ 3,971	$ (429,151)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,074			2,074
Exercise of common stock options (in shares)		21
Exercise of common stock options	531		531
Stock-based compensation (in shares)		341
Stock-based compensation	4,133	$ 3	4,130
Repurchases of common stock (in shares)		(813)
Repurchases of common stock	(50,998)	$ (8)	(8,632)	(42,358)
Ending balance (in shares) at Apr. 02, 2022		22,232
Ending balance at Apr. 02, 2022	$ (469,213)	$ 222	0	(469,435)
Beginning balance (in shares) at Dec. 31, 2022	22,014	22,014
Beginning balance at Dec. 31, 2022	$ (438,177)	$ 220	5,182	(443,579)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	11,465			11,465
Exercise of common stock options (in shares)		17
Exercise of common stock options	389		389
Stock-based compensation (in shares)		271
Stock-based compensation	4,639	$ 3	4,636
Repurchases of common stock (in shares)		(118)
Repurchases of common stock	$ (3,363)	$ (1)	(3,362)
Ending balance (in shares) at Apr. 01, 2023	22,184	22,184
Ending balance at Apr. 01, 2023	$ (425,047)	$ 222	$ 6,845	$ (432,114)