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Share-Based Compensation - Aggregated Information Regarding Stock Option Activity (Detail) - $ / shares	6 Months Ended	12 Months Ended
	Jul. 31, 2025	Jan. 31, 2025
Share-based Compensation [Abstract]
Beginning balance, Number of Options	421,699
Granted, Number of Options	30,000	0
Exercised, Number of Options	0
Forfeited, Number of Options	0
Canceled, Number of Options	(132,650)
Ending balance, Number of Options	319,049	421,699
Beginning balance, Weighted-Average Exercise Price	$ 15.52
Granted, Weighted-Average Exercise Price	11.1
Exercised, Weighted-Average Exercise Price	0
Forfeited, Weighted-Average Exercise Price	0
Cancelled, Weighted-Average Exercise Price	14.4
Ending balance, Weighted-Average Exercise Price	$ 15.57	$ 15.52

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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-Section 50
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Gross number of share options (or share units) granted during the period.

+ References

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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