CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment [Member]	Common Stock	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Treasury Stock
Beginning balance at Dec. 30, 2018	$ 240,059		$ 270	$ 170,290	$ 72,268		$ (2,769)
Beginning balance (in shares) at Dec. 30, 2018			26,858,988
Increase (Decrease) in Stockholders' Equity
Stock-based compensation	2,844			2,844
Vesting of restricted shares (in shares)			134,746
Vesting of restricted shares	(1)		$ 1	(2)
Purchase of treasury stock (in shares)			(1,381,137)
Purchase of treasury stock	(14,282)						(14,282)
Net income (loss)	(84,386)				(84,386)
Ending balance (in shares) at Dec. 29, 2019			25,612,597
Ending balance at Dec. 29, 2019	158,236		$ 271	173,132	1,884		(17,051)
Increase (Decrease) in Stockholders' Equity
Retained earnings (accumulated deficit)		$ 14,002				$ 14,002
Stock-based compensation	3,484			3,484
Vesting of restricted shares (in shares)			180,552
Vesting of restricted shares	$ 0		$ 2	(2)
Purchase of treasury stock (in shares)	(500,000)		(500,000)
Purchase of treasury stock	$ (3,728)						(3,728)
Net income (loss)	$ (10,211)				(10,211)
Ending balance (in shares) at Jan. 03, 2021	25,293,149		25,293,149
Ending balance at Jan. 03, 2021	$ 147,781		$ 273	176,614	(8,327)		(20,779)
Increase (Decrease) in Stockholders' Equity
Retained earnings (accumulated deficit)	(8,327)
Stock-based compensation	6,076			6,076
Vesting of restricted shares (in shares)			390,150
Vesting of restricted shares	$ 0		$ 4	(4)
Purchase of treasury stock (in shares)	(854,297)		(854,297)
Purchase of treasury stock	$ (9,356)						(9,356)
Net income (loss)	$ 10,370				10,370
Ending balance (in shares) at Jan. 02, 2022	24,829,002		24,829,002
Ending balance at Jan. 02, 2022	$ 154,871		$ 277	$ 182,686	$ 2,043		$ (30,135)
Increase (Decrease) in Stockholders' Equity
Retained earnings (accumulated deficit)	$ 2,043