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Note 2 - Stock-based Compensation (Tables)

6 Months Ended

Jun. 30, 2016

Notes Tables

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

						Weighted-								Weighted-
						average								average
						Exercise								Exercise
		2016				Price				2015				Price
Outstanding, January 1			31,949			$	25.03				46,451			$	27.90
Expired			-				-				(3,639	)			37.33
Exercised			-				-				(525	)			17.55
Outstanding, June 30			31,949			$	25.03				42,287			$	27.19
Exercisable, June 30			31,949			$	25.03				42,287			$	27.19

X

- Definition

Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- References

No definition available.

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