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Note 11 - Treasury Stock - Repurchases of Common Stock (Details) - $ / shares	1 Months Ended			12 Months Ended
	Sep. 30, 2023	Aug. 31, 2023	Jul. 31, 2023	Jan. 31, 2025	Jan. 31, 2024
Shares repurchased (in shares)	10	62	37	0	109
Average price paid per share (in dollars per share)	$ 8.95	$ 8.67	$ 8.51
Approximate dollar value of shares that may yet be purchased under the plans or programs (in shares)	0	92	628
Publicly Announced Share Repurchase Program [Member]
Shares repurchased (in shares)	10	62	37		109

X

- Definition

Number of shares remaining authorized to be purchased under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

No definition available.

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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
-Name Accounting Standards Codification
-Section 50
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-09(4)(b))
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-03(i)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479886/946-10-S99-3

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-Topic 505
-SubTopic 10
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-Paragraph 1
-Subparagraph (SX 210.3-04)
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Balance Type:	na
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X

- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
-Publisher FASB
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X

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