Other Accrued Liabilities (Details) (USD $)	Feb. 28, 2014	Feb. 28, 2013
Other Liabilities Disclosure [Abstract]
Accrued interest	$ 3,415,000	$ 2,981,000
Tenant improvements	984,000	1,222,000
Accrued warranty	1,338,000	2,073,000
Commissions	1,259,000	2,452,000
Personnel Expenses	5,579,000	3,461,000
Group medical insurance	1,858,000	1,400,000
Other	2,722,000	1,222,000
Total other accrued liabilities	$ 17,155,000	$ 14,811,000