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Segment Information - Net Sales and Segment Operating Profit for Each Reporting Segment (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Apr. 28, 2018 | Apr. 29, 2017
Segment Reporting Information [Line Items] |  |
Revenue | $ 31,487 | $ 24,458
Corporate Expenses | 2,653 | 1,856
Operating Income | 1,265 | 707
Other Expense | (270) | (48)
Income Before Income Taxes | 995 | 659
Income Tax Provision | 181 | 147
Net Income | 814 | 512
Operating Segments [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating Income | 3,918 | 2,563
Operating Segments [Member] | Product Identification [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenue | 19,953 | 18,646
Operating Income | 1,661 | 2,492
Operating Segments [Member] | T&M [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenue | 11,534 | 5,812
Operating Income | 2,257 | 71
Corporate Expenses [Member] |  |
Segment Reporting Information [Line Items] |  |
Corporate Expenses | $ 2,653 | $ 1,856

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- Definition The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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