CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Treasury Stock	Accumulated Other Comprehensive Income	Accumulated Deficit
Beginning balance at Dec. 28, 2019	$ 95,793	$ 23	$ 188,290	$ (29,158)	$ 424	$ (63,786)
Beginning Balance (in shares) at Dec. 28, 2019		23,346,000		4,989,000
Shares issued in connection with:
Exercise of stock options (in shares)		67,000
Exercise of stock options	$ 326		326
Settlement of RSUs (in shares)		244,000
Employee stock purchase plan (in shares)	392,000	392,000
Employee stock purchase plan	$ 1,571	$ 1	1,570
Shares withheld in connection with net share settlement of RSUs (in shares)		(77,000)
Shares withheld in connection with net share settlement of RSUs	(402)		(402)
Equity-based compensation expense	3,389		3,389
Net income	1,056					1,056
Other comprehensive income (loss)	216				216
Common stock repurchases	$ (393)			$ (393)
Common Stock Repurchases (in shares)	98,000	(98,000)		98,000
Ending balance at Jan. 02, 2021	$ 101,556	$ 24	193,173	$ (29,551)	640	(62,730)
Ending Balance (in shares) at Jan. 02, 2021		23,874,000		5,087,000
Beginning balance at Dec. 28, 2020					424
Shares issued in connection with:
Net income	1,056
Ending balance at Jan. 02, 2021	$ 101,556	$ 24	193,173	$ (29,551)	640	(62,730)
Ending Balance (in shares) at Jan. 02, 2021		23,874,000		5,087,000
Shares issued in connection with:
Exercise of stock options (in shares)	76,619	76,000
Exercise of stock options	$ 440		440
Settlement of RSUs (in shares)		383,000
Employee stock purchase plan (in shares)	435,000	435,000
Employee stock purchase plan	$ 2,192	$ 1	2,191
Shares withheld in connection with net share settlement of RSUs (in shares)		(132,000)
Shares withheld in connection with net share settlement of RSUs	(734)		(734)
Equity-based compensation expense	4,003		4,003
Net income	26,620					26,620
Other comprehensive income (loss)	(62)				(62)
Common stock repurchases	$ 0
Common Stock Repurchases (in shares)	0
Ending balance at Jan. 01, 2022	$ 134,015	$ 25	$ 199,073	$ (29,551)	$ 578	$ (36,110)
Ending Balance (in shares) at Jan. 01, 2022		24,636,000		5,087,000