Long-term Debt (Details) (USD $) In Thousands, unless otherwise specified	Nov. 30, 2012	Feb. 29, 2012
Long-term debt
Notes and Mortgage Payable to bank	$ 5,114	$ 5,823
Less current maturities	(4,821)	(945)
Long-term debt, Total	293	4,878
Note payable to bank through December 2015 [Member]
Long-term debt
Notes and Mortgage Payable to bank	2,158	2,683
Note payable to bank through December 2025 [Member]
Long-term debt
Notes and Mortgage Payable to bank	2,617	2,767
Mortgage payable to bank [Member]
Long-term debt
Notes and Mortgage Payable to bank	$ 339	$ 373