Inventories - Components of Inventories (Detail) (USD $) In Thousands, unless otherwise specified	Nov. 01, 2014	Jan. 31, 2014
Inventory Disclosure [Abstract]
Materials and Supplies	$ 10,671	$ 10,722
Work-In-Process	1,493	852
Finished Goods	7,859	6,798
Inventory, Gross	20,023	18,372
Inventory Reserve	(3,599)	(3,194)
Balance at November 1	$ 16,424	$ 15,178

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

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Amount of valuation reserve for inventory.

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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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