Consolidated Statements of Changes in Stockholder's Equity Statement - USD ($) $ in Thousands	Total	Common Stock [Member]	Preferred Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]
Beginning balance (in shares) at Jan. 03, 2021		51,486,116	100				(2,096,734)
Beginning balance at Jan. 03, 2021	$ 271,532	$ 515		$ 306,469	$ (18,367)	$ (3,015)	$ (14,070)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	1,469			1,469
Vesting of non-vested shares (in shares)		522,406
Vesting of non-vested shares and RSUs	0	$ 5		(5)
Net income (loss)	(7,168)				(7,168)
Repurchase of treasury stock (in shares)							(8,219)
Purchase of treasury stock	(57)						$ (57)
Change in valuation of interest rate swap	3,159					3,159
Ending balance (in shares) at Apr. 04, 2021		52,008,522	100				(2,104,953)
Ending balance at Apr. 04, 2021	$ 268,935	$ 520	$ 0	307,933	(25,535)	144	$ (14,127)
Beginning balance (in shares) at Jan. 02, 2022	49,932,558	52,037,511	100				(2,104,953)
Beginning balance at Jan. 02, 2022	$ 214,224	$ 520	$ 0	287,816	(61,396)	1,411	$ (14,127)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	1,941			1,941
Vesting of non-vested shares (in shares)		856,039
Vesting of non-vested shares and RSUs	0	$ 9		(9)
Net income (loss)	(21,269)				(21,269)
Change in valuation of interest rate swap	$ 4,282					4,282
Ending balance (in shares) at Apr. 03, 2022	50,788,597	52,893,550	100				(2,104,953)
Ending balance at Apr. 03, 2022	$ 199,178	$ 529	$ 0	$ 289,748	$ (82,665)	$ 5,693	$ (14,127)