Income Taxes (Schedule of deferred tax assets and liabilities by geographic segment) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Jan. 01, 2022
Income Tax Disclosure [Line Items]
Deferred income tax asset (liability)	$ 3,712	$ (14,051)
Canada [Member]
Income Tax Disclosure [Line Items]
Deferred income tax asset (liability)	(325)	(325)
U.S. [Member]
Income Tax Disclosure [Line Items]
Deferred income tax asset (liability)	3,978	(13,649)
Other [Member]
Income Tax Disclosure [Line Items]
Deferred income tax asset (liability)	$ 59	$ (77)