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Segment Information - Net Sales and Segment Operating Profit for Each Reporting Segment (Detail) - USD ($) $ in Thousands	3 Months Ended
	Apr. 29, 2017	Apr. 30, 2016
Segment Reporting Information [Line Items]
Revenue	$ 24,458	$ 24,110
Corporate Expenses	1,856	1,651
Operating Income	707	1,547
Other Expense	(48)	(52)
Income Before Income Taxes	659	1,495
Income Tax Provision	147	476
Net Income	512	1,019
Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating Income	2,563	3,198
Operating Segments [Member] | Product Identification [Member]
Segment Reporting Information [Line Items]
Revenue	18,646	16,606
Operating Income	2,492	1,996
Operating Segments [Member] | T&M [Member]
Segment Reporting Information [Line Items]
Revenue	5,812	7,504
Operating Income	71	1,202
Corporate Expenses [Member]
Segment Reporting Information [Line Items]
Corporate Expenses	$ 1,856	$ 1,651

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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.

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