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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- Definition

Number of non-option equity instruments exercised by participants.

+ 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

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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-Topic 505
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-Name Accounting Standards Codification
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-Topic 505
-SubTopic 10
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Note 6 - Equity Incentive Plan - Granted and Exercised Stock-based Compensation Awards (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Share-based Payment Arrangement, Option [Member]
Stock Options (in shares)	27,325	17,500	131,617	209,800
Stock Options (in shares)	22,400	273,123	22,900	284,548
Restricted Stock [Member]
Equity Instruments Other than Options (in shares)				64,578
Restricted Stock Units (RSUs) [Member]
Equity Instruments Other than Options (in shares)	8,000		173,507	8,130
Performance Restricted Stock Units [Member]
Equity Instruments Other than Options (in shares)			114,500
Stock Appreciation Rights (SARs) [Member]
SARs (in shares)