Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Oct. 01, 2022	Sep. 30, 2023	Oct. 01, 2022
Statement of Comprehensive Income [Abstract]
Net loss	$ (1,754)	$ (1,767)	$ (6,610)	$ (6,399)
Foreign currency translation adjustments	21	59	5	143
Comprehensive loss	$ (1,733)	$ (1,708)	$ (6,605)	$ (6,256)