Note 8 - Stock Compensation Plans (Detail) - Stock option awards outstanding under the plans (USD $)	12 Months Ended
Feb. 28, 2013	Feb. 29, 2012	Feb. 28, 2011
Outstanding stock options at beginning of year:	307,088	341,890	367,762
Granted		12,936
Exercised	(21,191)	(45,113)	(6,468)
Cancelled/forfeited	(14,952)	(2,625)	(19,404)
Outstanding stock options as of February 28 or 29:	270,945	307,088	341,890
Weighted average exercise price (in Dollars per share)	$ 11.17	$ 10.84	$ 9.83
Weighted average remaining contractual term (in years)	1 year 343 days	2 years 277 days	3 years 131 days

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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