Other Accrued Expenses - Components of Other Accrued Expenses (Detail) (USD $) In Thousands, unless otherwise specified	May 31, 2013	Feb. 28, 2013
Payables And Accruals [Abstract]
Accrued taxes	$ 352	$ 361
Accrued legal and professional fees	620	777
Accrued interest	104	120
Accrued utilities	66	96
Accrued phantom stock obligation	499	467
Accrued acquisition related obligations	159	163
Other accrued expenses	646	593
Other accrued expenses, Total	$ 2,446	$ 2,577

Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due. This amount is the total of current and noncurrent accrued income taxes.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for utilities, such as electrical power, heating oil, natural gas, and water. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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