Other Accrued Liabilities (Details) - USD ($)	Feb. 28, 2017	Feb. 29, 2016
Other Liabilities Disclosure [Abstract]
Accrued interest	$ 2,036,084	$ 2,356,344
Tenant improvements	278,203	506,510
Accrued warranty	2,097,711	2,915,419
Commissions	2,482,952	2,685,019
Personnel expenses	8,250,441	8,455,564
Group medical insurance	1,969,274	1,698,928
Other Sundry Liabilities, Current	1,274,827	1,788,587
Total other accrued liabilities	$ 18,389,492	$ 20,406,371