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Note 4 - Share-based Compensation (Tables)

9 Months Ended

Sep. 30, 2016

Notes Tables

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

		Three Months Ended								Nine Months Ended
		September 30,								September 30,
		2016				2015				2016				2015
Total share-based compensation expense		$	229			$	226			$	871			$	873

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

		Shares Under Options				Weighted Average Exercise Price (per share)				Weighted Average Remaining Contractual Life (in years)				Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2015			270,205			$	15.40
Granted			17,184				22.02
Exercised			(44,887	)			11.79
Outstanding at September 30, 2016			242,502			$	16.54				3.98			$	2,415
Exercisable at September 30, 2016			220,002			$	16.05				4.18			$	2,298
Vested and expected to vest at September 30, 2016			242,502			$	16.54				3.98			$	2,415

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

Expected volatility			29.7	%
Expected dividends			None
Risk-free interest rate			0.9	%
Exercise price		$	22.02
Expected term (years)			5.0
Weighted average grant date fair value		$	6.11

Schedule of Unvested Restricted Stock Units Roll Forward [Table Text Block]

		Restricted Stock Units				Weighted Average Award Date Fair Value
Unvested at December 31, 2015			40,645			$	19.67
Awarded			17,822				21.66
Shares vested			(11,909	)			20.94
Unvested at September 30, 2016			46,558			$	20.04

X

- Definition

Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

+ References

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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

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Tabular disclosure of the change in restricted stock units (RSUs).

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