Note 15 - Income Taxes - Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019
Current
Federal	$ (32)	$ (688)
State and local	174	181
Foreign	382	166
Current Income Tax Expense (Benefit), Total	524	(341)
Deferred
Federal	(2,844)	892
State	(851)	229
Foreign	(17)	(16)
Deferred Income Tax Expense (Benefit), Total	(3,755)	1,105
Total income tax expense	(3,188)	764
United States	(13,898)	3,626
Foreign jurisdictions	1,841	1,196
(Loss) income before income taxes	$ (12,057)	$ 4,822