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Segment Reporting and Geographical Information - Additional Information (Detail) $ in Thousands	12 Months Ended
	Jan. 31, 2025 USD ($) Segment Customer	Jan. 31, 2024 USD ($) Customer	Jan. 31, 2023 Customer
Segment Reporting Information [Line Items]
Number of reporting segments | Segment	2
Customer accounted for greater than 10% of net sales | Customer	0	0	0
Goodwill assigned	$ 14,515	$ 14,633
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]	President and Chief Executive Officer [Member]
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description	The CODM evaluates the performance of and allocates resources to the reporting segments based on segment profit or loss, which represents the segments’ income (loss) before income taxes and excludes corporate expenses
T&M [Member]
Segment Reporting Information [Line Items]
Goodwill assigned	$ 4,522	4,522
Product Identification [Member]
Segment Reporting Information [Line Items]
Goodwill assigned	$ 9,993	$ 10,111

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Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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