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Long-Term Debt (Detail) (USD $) In Thousands, unless otherwise specified	May 31, 2014	Feb. 28, 2014	May 31, 2013
Debt Instrument [Line Items]
Notes and Mortgage Payable to bank	$ 269	$ 281
Less current maturities	(49)	(48)
Long-term debt, less current maturities	220	233	300
Mortgage payable to bank
Debt Instrument [Line Items]
Notes and Mortgage Payable to bank	$ 269	$ 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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