Share-based compensation arrangement by share-based payment award, period options can be exercised after grant date.

No definition available.

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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
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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

Amount of cost to be recognized for option under share-based payment arrangement.

+ 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

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

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

+ References

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ References

+ Details

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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

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

+ References

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- Definition

Number of options outstanding, including both vested and non-vested options.

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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

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

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Note 3 - Stock-based Compensation and Shareholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		60 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Allocated share-based compensation expense	$ 25	$ 27
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized	$ 152		$ 152
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized, period for recognition	35 months
Share-based compensation arrangement by share-based payment award, options, grants in period, gross	25,000	24,700
Share-based compensation arrangement by share-based payment award, options, exercises in period	9,550	8,275
Share-based compensation arrangement by share-based payment award, options, outstanding, number	118,800	111,500	118,800	103,350	95,075
Share-based compensation arrangement by share-based payment award, options, grants in period, weighted average grant date fair value	$ 2.42	$ 3.96
The 2005 Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, number of shares authorized	200,000		200,000
Share-based compensation arrangement by share-based payment award, options, grants in period, gross	184,200
Share-based compensation arrangement by share-based payment award, options, forfeitures in period	65,850
Share-based compensation arrangement by share-based payment award, options, exercises in period	118,350
Share-based compensation arrangement by share-based payment award, options, outstanding, number	0		0
The 2015 Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, number of shares authorized	300,000		300,000
Share-based compensation arrangement by share-based payment award, options, grants in period, gross			123,200
Share-based compensation arrangement by share-based payment award, options, forfeitures in period			2,600
Share-based compensation arrangement by share-based payment award, options, exercises in period			1,800
Share-based compensation arrangement by share-based payment award, options, outstanding, number	118,800		118,800
Employee Stock Option [Member] \| The 2005 Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, period options can be exercised after grant date	9 months
Share-based compensation arrangement by share-based payment award, expiration period	5 years
Share-based compensation arrangement by share-based payment award, award vesting period	3 years