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v3.19.1

Nature of Operations, Segment Reporting and Geographical Information - Net Sales and Segment Operating Profit for Each Reporting Segment (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 31, 2019 | Jan. 31, 2018 | Jan. 31, 2017
Segment Reporting Information [Line Items] |  |  |
Revenue | $ 136,657 | $ 113,401 | $ 98,448
Corporate Expenses | 11,123 | 8,903 | 7,939
Operating Income | 8,720 | 5,412 | 6,281
Other Income (Expense), Net | $ (1,412) | $ (255) | $ 324
Segment Operating Profit % of Net Sales | 14.50% | 12.60% | 14.40%
Income Before Income Taxes | $ 7,308 | $ 5,157 | $ 6,605
Income Tax Provision | 1,578 | 1,871 | 2,377
Net Income | 5,730 | 3,286 | 4,228
Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Income | 19,843 | 14,315 | 14,220
Operating Segments [Member] | Product Identification [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 86,786 | 81,681 | 69,862
Operating Income | $ 7,910 | $ 10,561 | $ 9,821
Segment Operating Profit % of Net Sales | 9.10% | 12.90% | 14.10%
Operating Segments [Member] | T&M [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | $ 49,871 | $ 31,720 | $ 28,586
Operating Income | $ 11,933 | $ 3,754 | $ 4,399
Segment Operating Profit % of Net Sales | 23.90% | 11.80% | 15.40%
Corporate Expenses [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Corporate Expenses | $ 11,123 | $ 8,903 | $ 7,939

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