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Segment Reporting and Geographical Information - Summary of Other Information by Segment (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 31, 2025
Jan. 31, 2024
Jan. 31, 2023
Segment Reporting Information [Line Items]      
Assets $ 145,595 $ 133,251  
Depreciation and Amortization 4,780 4,266 $ 3,916
Capital Expenditures 1,165 1,697 229
Operating Segments [Member] | Product Identification [Member]      
Segment Reporting Information [Line Items]      
Assets 82,531 70,028  
Depreciation and Amortization 3,530 2,572 2,219
Capital Expenditures 1,066 1,687 121
Operating Segments [Member] | T&M [Member]      
Segment Reporting Information [Line Items]      
Assets 55,086 55,783  
Depreciation and Amortization 1,250 1,694 1,697
Capital Expenditures 99 10 $ 108
Corporate Expenses [Member]      
Segment Reporting Information [Line Items]      
Assets $ 7,978 $ 7,440