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Net income per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2023	Oct. 31, 2022
Earnings Per Share [Abstract]
Net income	$ 10,160	$ 7,875	$ 24,252	$ 12,471
Weighted average shares outstanding - basic (shares)	16,347	16,211	16,277	16,118
Net effect of dilutive share-based on the treasury stock method using average market price (shares)	81	38	57	18
Totals (shares)	16,428	16,249	16,334	16,136
Net income (loss) per share - basic (usd per share)	$ 0.62	$ 0.49	$ 1.49	$ 0.77
Net income (loss) per share - diluted (usd per share)	$ 0.62	$ 0.48	$ 1.48	$ 0.77

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-URI https://asc.fasb.org/extlink&oid=126958026&loc=d3e1505-109256

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

X

- 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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=126958026&loc=d3e1448-109256

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration