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Note 14 - Employee Benefits (Tables)

12 Months Ended

Dec. 31, 2015

Disclosure Text Block Supplement [Abstract]

Schedule of Net Periodic Benefit Cost Not yet Recognized [Table Text Block]

			Projected Payments
2016			$	29,000
2017				23,000
2018				18,000
2019				12,000
2020				10,000
2021				2,000
Total			$	94,000

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

		2015				Weighted- average Exercise Price				2014				Weighted- average Exercise Price
Outstanding, January 1		$	46,451			$	27.90			$	58,581			$	28.38
Expired			(10,802	)			36.93				-				-
Exercised			(2,175	)			21.31				(11,223	)			30.45
Forfeited			(1,525	)			33.53				(907	)			27.35
Outstanding, December 31		$	31,949			$	25.03			$	46,451			$	27.90
Exercisable, December 31		$	31,949			$	25.03			$	46,451			$	27.90

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

						Outstanding												Exercisable
Grant Date		Exercise Price				Shares				Contractual Average Life				Average Exercise Price				Shares				Average Exercise Price
December 10, 2006			40.24				2,625				0.94				40.24				2,625				40.24
May 16, 2007			37.48				1,337				1.37				37.48				1,337				37.48
December 10, 2007			37.00				1,950				1.94				37.00				1,950				37.00
January 2, 2008			36.25				1,337				2.00				36.25				1,337				36.25
November 10, 2008			23.00				16,500				2.86				23.00				16,500				23.00
May 9, 2011			17.55				8,200				5.35				17.55				8,200				17.55
							31,949												31,949

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- References

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Tabular disclosure of the amounts related to pension plans and/or other employee benefit plans in accumulated other comprehensive income or loss that have not yet been recognized as components of net periodic benefit cost, such as the net gain (loss), net prior service cost or credit, and net transition asset or obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (j)
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Tabular disclosure of the changes in other outstanding share-based compensation awards other than stock options or nonvested awards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Paragraph 2
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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
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-SubTopic 10
-Section 50
-Paragraph 2
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