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Note 8 - Stockholders' Equity (Details Textual) - USD ($) $ in Thousands		6 Months Ended
	Aug. 09, 2022	Jul. 30, 2022	Jul. 31, 2021	Aug. 31, 2022
Payments for Repurchase of Common Stock		$ 19,383	$ (0)
Subsequent Event [Member]
Payments for Repurchase of Common Stock	$ 1,300
Stock Repurchased During Period, Shares (in shares)	80,558
Stock Repurchase Program, Authorized Amount	$ 25,000			$ 50,000

X

- Definition

The cash outflow to reacquire common stock during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
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- Definition

Amount of stock repurchase plan authorized.

+ References

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X

- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 505
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