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Note 7 - Income Taxes - Components of the Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
U.S. Federal	$ 683	$ 1,605
U.S. State	609	237	24
Foreign	(313)	(231)	1,189
U.S. Federal	3,815	1,902	(9,697)
U.S. State	(113)	1,230	(1,308)
Foreign	1,216	(811)	345
Income tax expense (benefit)	$ 5,897	$ 3,932	$ (9,447)

X

- Definition

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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