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v3.23.1

Segment Information - Net Sales and Segment Operating Profit (Loss) for Each Reporting Segment (Detail) - USD ($) | 3 Months Ended
--- | ---
Apr. 29, 2023 | Apr. 30, 2022
Segment Reporting Information [Line Items] |  |
Revenue | $ 35,419,000 | $ 31,010,000
Corporate Expenses | 3,126,000 | 2,560,000
Operating Income | 1,461,000 | 764,000
Other Expense, Net | 434,000 | 279,000
Income Before Income Taxes | 1,027,000 | 485,000
Income Tax Provision | 179,000 | 60,000
Net Income | 848,000 | 425,000
PI [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenue | 25,095,000 | 21,724,000
T&M [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenue | 10,324,000 | 9,286,000
Operating Segments [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating Income | 4,587,000 | 3,324,000
Operating Segments [Member] | PI [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating Income | 2,515,000 | 1,413,000
Operating Segments [Member] | T&M [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating Income | 2,072,000 | 1,911,000
Corporate Expenses [Member] |  |
Segment Reporting Information [Line Items] |  |
Corporate Expenses | $ 3,126,000 | $ 2,560,000

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