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Segment Information - Net Sales and Segment Operating Profit for Each Reporting Segment (Detail) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2016	May. 02, 2015
Segment Reporting Information [Line Items]
Net Sales	$ 24,110	$ 22,206
Corporate Expenses	1,651	1,457
Operating Income	1,547	1,448
Other Income (Expense)-Net	(52)	234
Income Before Income Taxes	1,495	1,682
Income Tax Provision	476	471
Net Income	1,019	1,211
Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating Income	3,198	2,905
Operating Segments [Member] | Product Identification [Member]
Segment Reporting Information [Line Items]
Net Sales	16,606	15,644
Operating Income	1,996	1,977
Operating Segments [Member] | T&M [Member]
Segment Reporting Information [Line Items]
Net Sales	7,504	6,562
Operating Income	$ 1,202	$ 928

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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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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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