Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands		Total	Cumulative catch-up adjustment	Common Stock		Treasury Stock	Additional Paid-In Capital	Retained Earnings (Accumulated Deficit)	Retained Earnings (Accumulated Deficit) Cumulative catch-up adjustment
Beginning balance (in shares) at Jan. 01, 2019				46,353,309	[1]	2,423,871
Beginning balance at Jan. 01, 2019		$ 52,681	$ (5,992)	$ 464	[1]	$ (35,000)	$ 198,352	$ (111,135)	$ (5,992)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock plan transactions and other (in shares)	[1]			204,625
Stock plan transactions and other		(252)		$ 2	[1]		(254)
Stock-based compensation expense		2,487					2,487
Net income (loss)		1,647						1,647
Ending balance at Dec. 31, 2019		$ 50,571		$ 466	[1]	$ (35,000)	200,585	(115,480)
Ending balance (in shares) at Dec. 31, 2019				46,557,934	[1]	2,423,871
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting standard, cumulative effect		Accounting Standards Update 2016-02 [Member]
Stock plan transactions and other (in shares)	[1]			249,653
Stock plan transactions and other		$ (174)		$ 2	[1]		(176)
Stock-based compensation expense		2,561					2,561
Net income (loss)		(23,259)						(23,259)
Ending balance at Dec. 29, 2020		29,699		$ 468	[1]	$ (35,000)	202,970	(138,739)
Ending balance (in shares) at Dec. 29, 2020				46,807,587	[1]	2,423,871
Increase (Decrease) in Stockholders' Equity [Roll Forward]
L Catterton warrants exercised (in shares)	[1],[2]			975,458
L Catterton warrants exercised	[2]	0		$ 10	[1]		(10)
Stock plan transactions and other (in shares)	[1]			342,106
Stock plan transactions and other		101		$ 3	[1]		98
Stock-based compensation expense		4,168					4,168
Net income (loss)		3,665						3,665
Ending balance at Dec. 28, 2021		$ 37,633		$ 481	[1]	$ (35,000)	$ 207,226	$ (135,074)
Ending balance (in shares) at Dec. 28, 2021				48,125,151	[1]	2,423,871

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

[2] Refer to Note 8 - Stockholders’ Equity.