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Long-Term Debt (Detail) (USD $) In Thousands, unless otherwise specified	Feb. 28, 2015	Feb. 28, 2014
Debt Instrument [Line Items]
Notes and Mortgage Payable to bank	$ 233us-gaap_LongTermDebt	$ 281us-gaap_LongTermDebt
Less current maturities	(50)us-gaap_LongTermDebtCurrent	(48)us-gaap_LongTermDebtCurrent
Long-term debt, less current maturities	183us-gaap_LongTermDebtNoncurrent	233us-gaap_LongTermDebtNoncurrent
Mortgage payable to bank
Debt Instrument [Line Items]
Notes and Mortgage Payable to bank	$ 233	$ 281

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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