Other Accrued Liabilities (Details) - USD ($)	Feb. 29, 2016	Feb. 28, 2015
Other Liabilities Disclosure [Abstract]
Accrued interest	$ 2,356,344	$ 2,878,031
Tenant improvements	506,510	745,087
Accrued warranty	2,915,419	2,287,310
Commissions	2,685,019	2,539,642
Personnel expenses	8,455,564	6,033,578
Group medical insurance	1,698,928	1,501,972
Other Sundry Liabilities, Current	1,788,587	2,301,565
Total other accrued liabilities	$ 20,406,371	$ 18,287,185