Equity - Schedule of Changes in Stockholders' Equity (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 28, 2024	Sep. 30, 2023	Sep. 28, 2024	Sep. 30, 2023
Class of Stock [Line Items]
Beginning balance	$ 112,589	$ 117,003	$ 115,517	$ 123,452
Common stock issued under employee plans	502	527	964	1,331
Shares withheld for net share settlement of RSUs	(103)	(120)	(475)	(1,683)
Equity-based compensation expense	1,034	317	2,940	3,393
Net loss	(2,173)	(1,576)	(7,042)	(10,345)
Other comprehensive income (loss)	496	86	441	89
Ending balance	112,345	116,237	112,345	116,237
Common Stock and Additional Paid-in Capital
Class of Stock [Line Items]
Beginning balance	212,342	208,698	210,346	206,381
Common stock issued under employee plans	502	527	964	1,331
Shares withheld for net share settlement of RSUs	(103)	(120)	(475)	(1,683)
Equity-based compensation expense	1,034	317	2,940	3,393
Ending balance	213,775	209,422	213,775	209,422
Treasury Stock
Class of Stock [Line Items]
Beginning balance	(29,551)	(29,551)	(29,551)	(29,551)
Ending balance	(29,551)	(29,551)	(29,551)	(29,551)
Accumulated Other Comprehensive Income (Loss)
Class of Stock [Line Items]
Beginning balance	42	(190)	97	(193)
Other comprehensive income (loss)	496	86	441	89
Ending balance	538	(104)	538	(104)
Accumulated Deficit
Class of Stock [Line Items]
Beginning balance	(70,244)	(61,954)	(65,375)	(53,185)
Net loss	(2,173)	(1,576)	(7,042)	(10,345)
Ending balance	$ (72,417)	$ (63,530)	$ (72,417)	$ (63,530)