Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 25, 2020	Dec. 27, 2019
Statement of Comprehensive Income [Abstract]
Net loss	$ (36,457)	$ (25,228)	$ (34,461)
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	(784)	795	(39)
Comprehensive loss	(37,241)	(24,433)	(34,500)
Comprehensive loss attributable to noncontrolling interest	(55)	(344)	(97)
Comprehensive loss attributable to Company	$ (37,186)	$ (24,089)	$ (34,403)