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Note 11 - Income Taxes (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jan. 30, 2021 | Feb. 01, 2020 | Jan. 30, 2021 | Feb. 01, 2020
Effective Income Tax Rate Reconciliation, Percent, Total | 82.00% | 37.90% | 21.30% | 51.60%
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | $ 554 |  | $ 554 |
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] |  |  |  |
Open Tax Year |  |  | 2018 2019 2020 |
State and Local Jurisdiction [Member] |  |  |  |
Open Tax Year |  |  | 2017 2018 2019 2020 |
Foreign Tax Authority [Member] |  |  |  |
Open Tax Year |  |  | 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 |

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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- Definition Tax year that remains open to examination under enacted tax laws, in CCYY format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 + Details
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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