Note 15 - Income Taxes - Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021
Current
Federal	$ 47	$ (32)
State and local	45	174
Foreign	292	382
Current Income Tax Expense (Benefit), Total	384	524
Deferred
Federal	2,152	(2,844)
State	612	(851)
Foreign	(223)	(17)
Deferred Income Tax Expense (Benefit), Total	2,541	(3,755)
Total income tax expense	2,925	(3,188)
United States	10,880	(13,898)
Foreign jurisdictions	3,034	1,841
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	$ 13,914	$ (12,057)