Condensed Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2022	Jun. 25, 2021	Jul. 01, 2022	Jun. 25, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (1,344)	$ (1,056)	$ (3,600)	$ (7,092)
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	(2,108)	32	(2,102)	(20)
Comprehensive loss	(3,452)	(1,024)	(5,702)	(7,112)
Comprehensive loss attributable to noncontrolling interest	(17)	(12)	(37)	(34)
Comprehensive loss attributable to Company	$ (3,435)	$ (1,012)	$ (5,665)	$ (7,078)