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Note 12 - Stock Incentive Plans (Details Textual) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended |
--- | --- | ---
Jan. 28, 2023 | Jan. 29, 2022 | Jan. 30, 2021 | Apr. 14, 2020
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercised in Period, Grant Date Fair Value | $ 0.8 | $ 1.8 |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value | $ 1.3 | $ 4.3 |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares) | 186,624 | 416,391 |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value | $ 2.0 | $ 2.2 |  |
Options and Restricted Stock [Member] |  |  |  |
Share-Based Payment Arrangement, Expense | 2.6 | $ 2.6 |  |
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total | $ 3.0 |  |  |
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) | 1 year 7 months 6 days |  |  |
Restricted Stock [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) | 82,154 |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) | $ 18.29 |  |  |
Restricted Stock [Member] | Minimum [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) |  | 1 year |  |
Restricted Stock [Member] | Maximum [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) |  | 3 years |  |
Performance Shares [Member] |  |  |  |
Share-Based Payment Arrangement, Expense | $ 1.5 |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) | 84,579 |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) | $ 18.03 |  |  |
Performance Shares [Member] | Vesting at End of Three-year Performance Period [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Performance Period (Year) | 3 years | 3 years | 3 years |
First Target Number of Performance Shares [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) | 84,579 | 53,095 | 157,374 |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) | $ 18.03 | $ 8.24 | $ 2.78 |
First Target Number of Performance Shares [Member] | Minimum [Member] |  |  |  |
Performance-based Shares, Payout Opportunity, Percentage | 25.00% | 25.00% | 25.00% |
First Target Number of Performance Shares [Member] | Maximum [Member] |  |  |  |
Performance-based Shares, Payout Opportunity, Percentage | 200.00% | 200.00% | 183.30% |
Incentive Plan 2020 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares) |  |  |  | 1,000,000

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- Definition Period from grant date that an equity-based award is conditional upon certain performance measures, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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