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Note 6 - Stock-based Compensation (Details Textual) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	Apr. 11, 2033	Jul. 29, 2023	Jul. 30, 2022	Jul. 29, 2023	Jul. 30, 2022
Options and Restricted Stock [Member]
Share-Based Payment Arrangement, Expense		$ 0.7	$ 0.6	$ 1.8	$ 1.3
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount		$ 2.1		$ 2.1
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)				1 year 10 months 24 days
Time-based and Performance-based Shares [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value				$ 2.1	$ 2.0
Incentive Plan 2020 [Member] | Forecast [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized (in shares)	800,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)	1,800,000

X

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479830/718-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

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-Topic 718
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

+ References

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- Definition

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+ References

No definition available.

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