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Common stock dividend, percentage of shares issued of shares held.

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- Definition

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- Definition

Number of employees who received grants of share based compensation.

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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

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-Name Staff Accounting Bulletin (SAB)

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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.

+ References

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- Definition

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

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No definition available.

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- Definition

Unrecognized cost of unvested options awarded to employees as compensation.

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No definition available.

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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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 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.

+ References

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- Definition

Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

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- Definition

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

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- Definition

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

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No definition available.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Note 6 - Stock-Based Compensation (Details) (USD $)	0 Months Ended	1 Months Ended	0 Months Ended	1 Months Ended	3 Months Ended		12 Months Ended			1 Months Ended		3 Months Ended						3 Months Ended
Note 6 - Stock-Based Compensation (Details) (USD $)	Jun. 14, 2013	Feb. 28, 2014	Jun. 14, 2013	May 19, 2011	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013	Dec. 31, 2012	Mar. 31, 2014 Performance Shares [Member]	Mar. 31, 2014 Restricted Stock [Member]	Feb. 28, 2014 Restricted Stock [Member]	Mar. 31, 2014 Restricted Stock [Member]	Mar. 31, 2013 Restricted Stock [Member]	Dec. 31, 2013 Restricted Stock [Member]	Dec. 31, 2012 Restricted Stock [Member]	Mar. 31, 2014 The 1998 Stock Option Plan [Member]	Mar. 31, 2014 The Fidelity Plans [Member]	Mar. 31, 2014 Minimum [Member] Pay Period [Member]	Mar. 31, 2014 Minimum [Member]	Mar. 31, 2014 Minimum Hours Per Week [Member]	Mar. 31, 2014 Minimum Months Per Year [Member]	Mar. 31, 2014 Maximum [Member] Offering Period [Member]	Mar. 31, 2014 Maximum [Member] Annually [Member]	Mar. 31, 2014 Maximum [Member]
Note 6 - Stock-Based Compensation (Details) [Line Items]
undefined	10.00%		10.00%
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares)					468,269											0	0
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)					1,996,500
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number (in Shares)									0
Number of Employees		3
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares)		21,000			21,000	3,300
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term		10 years			7 years 6 months		7 years 6 months	7 years 6 months
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		5 years								3 years	3 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares)										20,760	58,187	78,947	421,425
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value					$ 12,500,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value					401,000	538,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value					123,000	119,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options					400,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition					4 years 171 days							2 years 262 days
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in Shares)										511,126		511,126	615,073	614,580	348,353
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options										10,400,000		10,400,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized (in Shares)				550,000
Employee Stock Purchase Plan Percentage Of Market Value					85.00%
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period																			1 year	20 hours	5 months
Amount Contributed To ESPP																		10				6,250	25,000
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate																								10.00%
Allocated Share-based Compensation Expense					$ 892,000	$ 685,000