Long-term Debt (Details) (USD $) In Thousands, unless otherwise specified	Aug. 31, 2012	Feb. 29, 2012
Long-term debt
Notes and Mortgage Payable to bank	$ 5,350	$ 5,823
Less current maturities	(5,045)	(945)
Long-term debt, Total	305	4,878
Note payable to bank through December 2015 [Member]
Long-term debt
Notes and Mortgage Payable to bank	2,333	2,683
Note payable to bank through December 2025 [Member]
Long-term debt
Notes and Mortgage Payable to bank	2,667	2,767
Mortgage payable to bank [Member]
Long-term debt
Notes and Mortgage Payable to bank	$ 350	$ 373