Stock Option Plan and Stock Based Compensation (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Aug. 31, 2012	Aug. 31, 2011	Aug. 31, 2012	Aug. 31, 2011
Summary of stock options exercised and tax benefits realized from stock based compensation
Total cash received	$ 26	$ 49	$ 26	$ 200
Income tax benefits
Total grant-date fair value	5	9	5	35
Intrinsic value	$ 17	$ 22	$ 17	$ 156

The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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+ Details