Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands		Total	Common Stock		Treasury	Additional Paid-in Capital	Accumulated Deficit
Beginning balance (in shares) at Jan. 03, 2023	[1]		48,464,298
Beginning balance at Jan. 03, 2023		$ 38,364	$ 485	[1]	$ (35,000)	$ 211,267	$ (138,388)
Treasury stock, beginning balance (in shares) at Jan. 03, 2023					2,423,871
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock plan transactions and other (in shares)	[1]		317,403
Stock plan transactions and other		(641)	$ 3	[1]		(644)
Stock-based compensation expense		1,323				1,323
Net loss		(3,115)					(3,115)
Ending balance (in shares) at Apr. 04, 2023	[1]		48,781,701
Ending balance at Apr. 04, 2023		$ 35,931	$ 488	[1]	$ (35,000)	211,946	(141,503)
Treasury stock, ending balance (in shares) at Apr. 04, 2023					2,423,871
Beginning balance (in shares) at Jan. 02, 2024		44,989,714	47,413,585	[1]
Beginning balance at Jan. 02, 2024		$ 27,160	$ 474	[1]	$ (35,000)	209,930	(148,244)
Treasury stock, beginning balance (in shares) at Jan. 02, 2024		2,423,871			2,423,871
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock plan transactions and other (in shares)	[1]		356,635
Stock plan transactions and other		$ (261)	$ 4	[1]		(265)
Stock-based compensation expense		1,145				1,145
Net loss		$ (6,140)					(6,140)
Ending balance (in shares) at Apr. 02, 2024		45,346,349	47,770,220	[1]
Ending balance at Apr. 02, 2024		$ 21,904	$ 478	[1]	$ (35,000)	$ 210,810	$ (154,384)
Treasury stock, ending balance (in shares) at Apr. 02, 2024		2,423,871			2,423,871

[1] Unless otherwise noted, activity relates to Class A common stock.