Note 9 - Income Taxes - Components of Provision (Benefit) for Income Taxes for Continuing Operations (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 26, 2020	Dec. 28, 2019	Dec. 29, 2018
U.S. Federal	$ 0	$ 0	$ 0
U.S. State	21	130	51
Foreign	5,950	2,173	8,787
Total current	5,971	2,303	8,838
U.S. Federal	8	98	56
U.S. State	0	1	0
Foreign	(5,313)	(5,484)	(8,263)
Total deferred	(5,305)	(5,385)	(8,207)
Income Tax Expense (Benefit), Total	$ 666	$ (3,082)	$ 631

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

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

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

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