Note 15 - Income Taxes - The Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016
Current
Federal	$ (471)	$ 688
State and local	118	402
Foreign	237	(3)
	(116)	1,087
Deferred
Federal	(1,841)	372
State	(495)	108
Foreign	197	(23)
	(2,139)	457
Total income tax (benefit) expense	(2,255)	1,544
United States	(1,660)	3,430
Foreign Jurisdictions	1,415	(128)
(Loss) income before income taxes	$ (245)	$ 3,302