Inventories (Detail) (USD $) In Thousands, unless otherwise specified	May 31, 2014	Feb. 28, 2014
Inventory [Line Items]
Raw materials	$ 7,168	$ 7,906
Work-in-process	350	242
Finished goods	1,935	1,878
Inventory, Gross	9,453	10,026
Reserves for obsolescence	(193)	(111)
Inventory, Net	$ 9,260	$ 9,915

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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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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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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