Net Income Per Common Share (Details) (USD $)	3 Months Ended		9 Months Ended
	Nov. 30, 2012	Nov. 30, 2011	Nov. 30, 2012	Nov. 30, 2011
Net Income Per Common Share [Abstract]
Reconciling Items Which Impact Net Income			$ 0
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	268,650	1,142,500	89,550	481,952
Weighted-average common shares outstanding	23,434,965	23,074,030	23,377,859	23,073,983
Stock options, warrants and restricted stock	$ 101,175	$ 0	$ 215,181	$ 129,521
Weighted-average common shares and potential common shares outstanding	23,536,140	23,074,030	23,593,040	23,203,504