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Note 5 - Common Shares and Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Schedule of Common Stock Outstanding Roll Forward [Table Text Block]

Common Shares Outstanding, December 31, 2018			39,664,884
Issuances:
At-the-Market Offering			347,000
Executive Stock Performance Awards (2016 awards earned)			102,198
Automatic Dividend Reinvestment and Share Purchase Plan:
Dividends Reinvested			29,599
Cash Invested			23,740
Vesting of Restricted Stock Units			29,100
Restricted Stock Issued to Directors			15,700
Directors Deferred Compensation			594
Retirements:
Shares Withheld for Individual Income Tax Requirements			(55,224	)
Common Shares Outstanding, December 31, 2019			40,157,591

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

		2019				2018				2017
Weighted Average Common Shares Outstanding – Basic			39,720,847				39,599,944				39,457,261
Plus Outstanding Share Awards net of Share Reductions for Unrecognized Stock-Based Compensation Expense and Excess Tax Benefits:
Shares Expected to be Awarded for Stock Performance Awards Granted to Executive Officers based on Measurement Period-to-Date Performance			147,001				212,043				210,784
Underlying Shares Related to Nonvested Restricted Stock Units Granted to Employees			65,421				59,980				56,952
Nonvested Restricted Shares			15,377				17,751				20,380
Shares Expected to be Issued Under the Employee Stock Purchase Plan			3,228				-				-
Shares Expected to be Issued Under the Deferred Compensation Program for Directors			1,952				2,478				2,970
Total Dilutive Shares			232,979				292,252				291,086
Weighted Average Common Shares Outstanding – Diluted			39,953,826				39,892,196				39,748,347

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Tabular disclosure of the change in common stock outstanding.

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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