Annual Increments To Be Vested In Common Stock Units

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- Definition

Grant shares average price during period restricted stock unit award.

+ References

No definition available.

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- Definition

Grant shares during period restricted stock unit award.

+ References

No definition available.

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- Definition

Maximum period of common stock granted

+ References

No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

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-Name Staff Accounting Bulletin (SAB)

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- Definition

Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-Subparagraph (a)(1)

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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- Definition

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

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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- Definition

The noncash expense that accounts for the value of stock or unit options distributed to employees as compensation.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

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Note 5 - Stock-Based Compensation (Details) (USD $)	0 Months Ended			3 Months Ended				9 Months Ended		12 Months Ended
Note 5 - Stock-Based Compensation (Details) (USD $)	May 17, 2013	Apr. 15, 2013	Mar. 14, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Note 5 - Stock-Based Compensation (Details) [Line Items]
Maximum Period Of Common Stock Granted				10				10
Annual Increments To Be Vested In Common Stock Units				20.00%				20.00%
Stock or Unit Option Plan Expense				$ 0			$ 194,000
Allocated Share-based Compensation Expense								129,000	581,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares)					0	0		0	39,784
Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options									647,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value									34,000
(in Shares)	1,454	6,729	14,416							125,133
GrantSharesAveragePriceDuringPeriodRestrictedStockUnitAward (in Dollars per share)	$ 20.63	$ 18.91	$ 20.57							$ 18.24
Restricted Stock Units (RSUs) [Member]
Note 5 - Stock-Based Compensation (Details) [Line Items]
Stock or Unit Option Plan Expense				476,000			459,000
Allocated Share-based Compensation Expense								1,600,000	1,200,000
(in Shares)								22,599
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized				$ 1,600,000				$ 1,600,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition								1 year 36 days
2005 Incentive Plan [Member]
Note 5 - Stock-Based Compensation (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares)				2,655,759				2,655,759
Restricted Stock Units Granted in 2011, 2012 and 2013 [Member]
Note 5 - Stock-Based Compensation (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period								2 years