Net Income Per Common Share (Details) (USD $)	3 Months Ended		9 Months Ended
	Nov. 30, 2013	Nov. 30, 2012	Nov. 30, 2013	Nov. 30, 2012
Net Income Per Common Share [Abstract]
Reconciling Items Which Impact Net Income			$ 0
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0	268,650	0	89,550
Weighted-average common shares outstanding	24,341,897	23,434,965	24,060,492	23,377,859
Stock options, warrants and restricted stock	$ 83,059	$ 101,175	$ 149,119	$ 215,181
Weighted-average common shares and potential common shares outstanding	24,424,956	23,536,140	24,209,611	23,593,040