Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands		Total	Common Stock		Treasury Stock	Additional Paid-in Capital	Accumulated Deficit
Beginning balance (in shares) at Dec. 29, 2020			46,807,587	[1]	2,423,871
Beginning balance at Dec. 29, 2020		$ 29,699	$ 468	[1]	$ (35,000)	$ 202,970	$ (138,739)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
L Catterton warrants exercised (in shares)	[1]		975,458
L Catterton warrants exercised		0	$ 10	[1]		(10)
Stock plan transactions and other (in shares)	[1]		107,443
Stock plan transactions and other		(335)	$ 1	[1]		(336)
Stock-based compensation expense		738				738
Net income (loss)		(1,977)					(1,977)
Ending balance (in shares) at Mar. 30, 2021			47,890,488	[1]	2,423,871
Ending balance at Mar. 30, 2021		28,125	$ 479	[1]	$ (35,000)	203,362	(140,716)
Beginning balance (in shares) at Dec. 28, 2021			48,125,151	[1]	2,423,871
Beginning balance at Dec. 28, 2021		37,633	$ 481	[1]	$ (35,000)	207,226	(135,074)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock plan transactions and other (in shares)	[1]		133,443
Stock plan transactions and other		(299)	$ 2	[1]		(301)
Stock-based compensation expense		1,140				1,140
Net income (loss)		(6,429)					(6,429)
Ending balance (in shares) at Mar. 29, 2022			48,258,594	[1]	2,423,871
Ending balance at Mar. 29, 2022		$ 32,045	$ 483	[1]	$ (35,000)	$ 208,065	$ (141,503)

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