The exercise price percentage in terms of fair market value on the date of the award.

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- Definition

The number of shares each non-employee director shall be granted or issued for participation in board and committee meetings during the previous calendar year.

+ References

No definition available.

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The percentage of TSR compared to the peer group that is a requirement for vesting the share-based compensation awards.

+ References

No definition available.

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The estimated target payout rate that is used in valuing the share-based compensation awards.

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No definition available.

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Aggregate number of common shares reserved for future issuance.

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Number of common shares reserved for future issuance related to deferred compensation arrangements with individuals.

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No definition available.

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Unrecognized cost of unvested share-based compensation awards.

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

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The cash inflow from the additional capital contribution to the entity.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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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 highest quantity of shares an employee can purchase under the plan per period.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of new stock issued during the period.

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Note 7 - Stock-based Compensation and Option Plans (Details Textual) - USD ($) $ in Thousands		1 Months Ended		12 Months Ended
	Apr. 01, 2018	Jan. 31, 2017	May 31, 2016	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Share-based Compensation, Total				$ 2,366	$ 3,238	$ 3,194
Common Stock, Capital Shares Reserved for Future Issuance				10,300,000
Stock Issued During Period, Shares, New Issues		28,800,000	28,800,000
Proceeds from Issuance of Common Stock		$ 65,200	$ 27,100		65,224	27,135
Directors Plan 2005 [Member]
Common Stock, Capital Shares Reserved for Future Issuance				2,900,000
Share Based Compensation Arrangement By Share Based Payment Award, Number of Shares Granted to Attend Board and Committee Meetings				25,000
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Number of Shares Per Employee				100,000
Percentage of Exercise Price Awarded				100.00%
Employee Stock Option [Member]
Deferred Compensation Arrangement with Individual, Common Stock Reserved for Future Issuance				12,600,000
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period				10 years
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total				$ 500
Share-based Compensation, Total				1,400	1,800	2,000
Restricted Stock [Member]
Share-based Compensation, Total				700	$ 1,400	$ 1,200
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options				1,300
Performance Shares [Member]
Share-based Compensation, Total				200
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options				$ 700
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Target Payout Rate	100.00%
Performance Shares [Member] \| Minimum [Member]
Share-based Compensation Awards, Vesting, Requirement, TSR, Percentage	0.00%
Performance Shares [Member] \| Maximum [Member]
Share-based Compensation Awards, Vesting, Requirement, TSR, Percentage	200.00%