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Note 8 - Income Taxes (Details Textual) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Feb. 03, 2018 | Jan. 28, 2017 | Feb. 02, 2019 | Feb. 02, 2019 | Dec. 30, 2017 | Dec. 31, 2016
Income Tax Expense (Benefit), Total | $ (183) | $ (424) |  | $ (574) | $ 5,897 |
Effective Income Tax Rate Reconciliation, Percent, Total | 17.80% |  |  | 3.10% | 42.70% |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 21.00% |  |  | 21.00% | 34.00% |
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount |  |  |  |  | $ 1,400 |
Operating Loss Carryforwards, Total |  |  | $ 21,000 | $ 21,000 |  |
Tax Credit Carryforward, Amount |  |  | 900 | 900 |  |
Tax Adjustments, Settlements, and Unusual Provisions |  |  |  | 200 |  |
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability |  |  |  | (100) |  |
Tax Cuts And Jobs Act of 2017 Change in Tax Rate Income Tax Expense (Benefit) |  |  |  | (100) |  |
Unrecognized Tax Benefits, Ending Balance |  |  | 418 | 418 | 659 | $ 961
Unrecognized Tax Benefits that Would Impact Effective Tax Rate |  |  | 200 | 200 | 300 |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense, Total |  |  |  | 100 | 100 |
Income Tax Examination, Penalties and Interest Expense, Total | $ 100 |  |  | 100 | 100 |
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit |  |  | 400 | 400 |  |
Foreign Tax Authority [Member] |  |  |  |  |  |
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount |  |  |  | $ 500 | $ 300 |
Foreign Tax Authority [Member] | UNITED KINGDOM |  |  |  |  |  |
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount |  |  | $ 3,700 |  |  |

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- Definition Amount of income tax expense (benefit) and deferred income tax expense (benefit) of tax effect from remeasurement of deferred tax pursuant to Tax Cuts and Jobs Act. + References No definition available. + Details
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