Note 1 - Nature of Operations and Basis Of Presentation (Details) - Summary of Non-Vested Restricted Stock Unit Transactions for Common Stock (Restricted Stock [Member], USD $)	9 Months Ended
Nov. 30, 2013	Nov. 30, 2012
Restricted Stock [Member]
Note 1 - Nature of Operations and Basis Of Presentation (Details) - Summary of Non-Vested Restricted Stock Unit Transactions for Common Stock [Line Items]
Outstanding non-vested restricted stock units as of February 28 or 29:	57,030	101,980
Granted	280,900
Vested	(41,390)	(44,190)
Cancelled/forfeited	(1,500)	(560)
Outstanding non-vested restricted stock units as of November 30:	295,040	57,230
Weighted average grant date fair value (in Dollars per share)	$ 12.09	$ 9.22
Weighted average remaining vesting period (in years)	5 years 87 days	1 year 138 days

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iv)(3)

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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-Publisher FASB

-Name Accounting Standards Codification

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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