Note 12 - Equity Plans: (Detail) - Restricted Stock Unit Activity (USD $)	6 Months Ended	12 Months Ended
Jun. 30, 2012	Dec. 31, 2011	Jan. 03, 2012	Mar. 01, 2011
Outstanding at	147,603
Outstanding at (in Dollars per share)	$ 27.16		$ 25.55	$ 26.91
Vested at June 30, 2012	121,443
Vested at June 30, 2012 (in Dollars per share)	$ 25.95
Granted	40,368	81,475
Granted (in Dollars per share)	$ 23.97
Converted into shares	(375)
Converted into shares (in Dollars)	$ 22,680
Forfeited	0
Forfeited (in Dollars per share)	$ 0
Outstanding at	187,596	147,603
Outstanding at (in Dollars per share)	$ 26.48	$ 27.16	$ 25.55	$ 26.91

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

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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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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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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-Topic 718

-SubTopic 10

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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- Definition

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

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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Number of shares reserved for issuance under non-option equity instrument agreements awarded that validly exist and are outstanding, including vested instruments.

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Number of share instruments newly issued under a share-based compensation plan.

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The weighted average fair value at grant date for converted equity-based awards issued during the period on other than stock (or unit) option plans.

+ References

No definition available.

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