Income Taxes - Loss from Operations Before Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Jan. 01, 2022
Loss from operations before provision for (benefit from) income taxes
United States	$ (7,544)	$ (5,233)
Foreign	62	48
Loss from operations before provision for income taxes	$ (7,482)	$ (5,185)