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Long-Term Debt (Detail) (USD $) In Thousands, unless otherwise specified	May 31, 2013	Feb. 28, 2013
Debt Instrument [Line Items]
Notes and Mortgage Payable to bank	$ 4,145	$ 4,877
Less current maturities	(3,876)	(4,596)
Long-term debt, less current maturities	269	281
Note payable to bank through December 2015
Debt Instrument [Line Items]
Notes and Mortgage Payable to bank	1,808	1,983
Note payable to bank through December 2025
Debt Instrument [Line Items]
Notes and Mortgage Payable to bank	2,021	2,567
Mortgage payable to bank
Debt Instrument [Line Items]
Notes and Mortgage Payable to bank	$ 316	$ 327

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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