Earning Per Share (Tables)

6 Months Ended

Aug. 31, 2012

Earnings Per Share [Abstract]

Summery of basic and diluted earnings per common share

	For the three months ended August 31,				For the six months ended August 31,
	2012		2011		2012		2011
Weighted average common shares outstanding		2,249,931		2,267,775		2,259,469		2,267,347
Dilutive effect of employee stock options		211,173		222,364		213,026		221,670
Weighted average common shares outstanding, assuming dilution		2,461,104		2,490,139		2,472,495		2,489,017