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Note 14 - Employee Benefits (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

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

		Projected Payments
2019		$	11,000
2020			10,000
2021			2,000
Total		$	23,000

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

		2018				Weighted-average Exercise Price Per Share
Outstanding, January 1			19,750			$	20.94
Exercised			(12,300	)			23.00
Outstanding, December 31			7,450			$	17.55
Exercisable, December 31			7,450			$	17.55

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

		Units				Weighted-average Grant Date Fair Value Per Share
Nonvested at January 1, 2018			14,601			$	35.14
Granted			11,351				47.89
Forfeited			(223	)			35.31
Vested			(3,905	)			33.61
Nonvested at December 31, 2018			21,824			$	42.05
Expected to vest at December 31, 2018			4,850			$	32.40

X

- Definition

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.

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