Represents the exercisable term related to share-based compensation plan.

No definition available.

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- Definition

Represents the number of shares eliminated under a share-based compensation plan.

+ References

No definition available.

+ Details

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- Definition

Represents the period for redemption of units in cash after determining the book value of the units as of the calendar year immediately preceding the redemption date.

+ References

No definition available.

+ Details

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
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-Publisher FASB
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-Topic 718
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

+ Details

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

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- Definition

Net number of non-option equity instruments granted to participants.

+ References

+ Details

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

+ References

+ Details

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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

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

+ References

No definition available.

+ Details

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- Definition

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.

+ References

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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

+ References

No definition available.

+ Details

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- Definition

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

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-SubTopic 10
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Note 8 - Incentive Plans (Details Textual) - USD ($) $ in Thousands		1 Months Ended		12 Months Ended
	May 03, 2005	May 31, 2017	Nov. 30, 2010	Dec. 31, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross				186,200	134,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period				2,250	0
Share-based Payment Arrangement, Option [Member]
Share-based Payment Arrangement, Expense				$ 268	$ 126
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total				$ 365
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition				2 years 328 days
Equity Appreciation Right Units [Member]
Share-based Payment Arrangement, Expense					$ 0
The 2003 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Eliminated	172,500
The 2005 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	200,000
Stock Incentive Plan 2017 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized		400,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross				186,200	134,000
Stock Incentive Plan 2017 [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent		100.00%
Share-based Compensation Arrangement by Share-based Payment Award, Exercisable Term		1 year
Stock Incentive Plan 2017 [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period		10 years
Equity Appreciation Rights Plan 2010 [Member] \| Equity Appreciation Right Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			3 years
Share-based Compensation Arrangement by Share-based Payment Award, Redemption Cash Payment Period			90 days
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted				100,000	0
Equity Appreciation Rights Plan 2010 [Member] \| Maximum [Member] \| Equity Appreciation Right Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized			1,000,000