XML 31 R18.htm IDEA: XBRL DOCUMENT v3.4.0.3

Note 2 - Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 2016

Disclosure Text Block Supplement [Abstract]

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
Exercised			-				-				(375	)			17.55
Outstanding, March 31			31,949			$	25.03				46,076			$	27.99
Exercisable, March 31			31,949			$	25.03				46,076			$	27.99

X

- References

No definition available.

+ Details

Name:	us-gaap_DisclosureTextBlockSupplementAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration