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Share Based Compensation Arrangement by Share Based Payment Award, Awards Exercise Period

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Share Based Compensation Arrangement By Share Based Payment Award Option Expiration Period

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Share Based Compensation Arrangement By Share Based Payment Award Options Vesting Percentage Year Four

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Share Based Compensation Arrangement By Share Based Payment Award, Options, Vesting Period

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Share Based Compensation Arrangement by Share Based Payment Award, Vesting Percentage Year Four

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Share Based Compensation Arrangement by Share Based Payment Award, Vesting Percentage Year Two

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The maximum number of shares authorized for issuance under the deferred compensation arrangement as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Number of additional shares authorized for issuance under an established share-based compensation plan.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (d)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Note 6 - Stock-Based Compensation (Details) (USD $)	1 Months Ended		0 Months Ended	1 Months Ended	12 Months Ended	0 Months Ended		1 Months Ended
Note 6 - Stock-Based Compensation (Details) (USD $)	May 31, 2014 Subsequent Event [Member] 2012 Stock Incentive Plan [Member]	May 31, 2012 Stock Options And Stock Appreciation Rights [Member] 2012 Stock Incentive Plan [Member]	Feb. 11, 2014 Employee Stock Option [Member] 2012 Stock Incentive Plan [Member] Chief Financial Officer [Member]	May 31, 2012 Non Employee Director [Member] 2012 Stock Incentive Plan [Member]	Dec. 31, 2004 2004 Stock Incentive Plan [Member]	Feb. 11, 2014 2012 Stock Incentive Plan [Member] Chief Financial Officer [Member]	May 31, 2012 2012 Stock Incentive Plan [Member]	May 31, 2012 2012 Stock Incentive Plan [Member] Minimum [Member]	May 31, 2012 2012 Stock Incentive Plan [Member] Maximum [Member]
Note 6 - Stock-Based Compensation (Details) [Line Items]
Deferred Compensation Arrangement with Individual, Shares Authorized for Issuance (in Shares)					3,750,000
Share Based Compensation Arrangement By Share Based Payment Award Options Vesting Percentage Year Two					25.00%
Share Based Compensation Arrangement By Share Based Payment Award Options Vesting Percentage Year Three					25.00%
Share Based Compensation Arrangement By Share Based Payment Award Options Vesting Percentage Year Four					50.00%
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			3 years		1 year
Share Based Compensation Arrangement By Share Based Payment Award Awards Exercise Period					10 years				10 years
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)							4,000,000
Share Based Compensation Arrangement By Share Based Payment Award Vesting Percentage Year Two		25.00%
Share Based Compensation Arrangement By Share Based Payment Award Vesting Percentage Year Three		25.00%
Share Based Compensation Arrangement By Share Based Payment Award Vesting Percentage Year Four		50.00%
Share Based Compensation Arrangement By Share Based Payment Award Options Vesting Period				1 year				6 years
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized (in Shares)	400,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures (in Shares)						32,500
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share)						$ 24.57
Share Based Compensation Arrangement By Share Based Payment Award Option Expiration Period						5 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)						$ 5.78