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Inventories - Components of Inventories (Detail) - USD ($) $ in Thousands	Jul. 29, 2017	Jan. 31, 2017
Inventory Disclosure [Abstract]
Materials and Supplies	$ 11,884	$ 11,865
Work-In-Process	1,306	1,216
Finished Goods	11,542	10,270
Inventory, Gross	24,732	23,351
Inventory Reserve	(4,463)	(3,845)
Inventories	$ 20,269	$ 19,506

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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