CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings (Accumulated Deficit)	Treasury Stock
Beginning shares at Jan. 03, 2021		25,293,149
Beginning balance at Jan. 03, 2021	$ 147,781	$ 273	$ 176,614	$ (8,327)	$ (20,779)
Increase (Decrease) in Stockholders' Equity
Stock-based compensation	1,163		1,163
Vesting of restricted shares (in shares)		109,528
Vesting of restricted shares	0	$ 1	(1)
Net loss	(2,089)			(2,089)
Ending shares at Apr. 04, 2021		25,402,677
Ending balance at Apr. 04, 2021	$ 146,855	$ 274	177,776	(10,416)	(20,779)
Beginning shares at Jan. 02, 2022	24,829,002	24,829,002
Beginning balance at Jan. 02, 2022	$ 154,871	$ 277	182,686	2,043	(30,135)
Increase (Decrease) in Stockholders' Equity
Stock-based compensation	549		549
Vesting of restricted shares (in shares)		66,372
Vesting of restricted shares	$ 0	$ 0	0
Purchase of treasury stock (in shares)	(14,746)	(14,746)
Purchase of treasury stock	$ (164)				(164)
Net loss	$ (1,356)			(1,356)
Ending shares at Apr. 03, 2022	24,880,628	24,880,628
Ending balance at Apr. 03, 2022	$ 153,900	$ 277	$ 183,235	$ 687	$ (30,299)