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Note 12 - Earnings Per Share (Details Textual) shares in Thousands			3 Months Ended		6 Months Ended
	Oct. 12, 2023	Sep. 28, 2023	Jul. 31, 2024 shares	Jul. 31, 2023 shares	Jul. 31, 2024 shares	Jul. 31, 2023 shares
Weighted Average Number of Shares Outstanding, Basic (in shares)			1,406	1,406	1,406	1,406
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	10	10

X

- Definition

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 4.C)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-4

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- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 10
-Publisher FASB
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