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Note 12 - Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

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

		Shares Under Option				Weighted- Average Exercise Price
Outstanding —January 1, 2015:			86,348			$	11.09
Granted			-				-
Exercised			(20,250	)			11.65
Canceled			-				-
Outstanding —December 31, 2015:			66,098			$	10.92
Granted			-				-
Exercised			(7,917	)			11.41
Canceled			(2,050	)			10.91
Outstanding —December 31, 2016:			56,131			$	10.85
Granted			-				-
Exercised			(11,063	)			11.13
Canceled			-				-
Outstanding —December 31, 2017:			45,068			$	10.79
Options exercisable —December 31, 2017:			45,068			$	10.79

Share-based Compensation, Activity [Table Text Block]

		Shares Under Option				Weighted- Average Exercise Price				Weighted- Average Remaining Contractual Term				Aggregate Intrinsic Value*
						(per share)				(in years)
Outstanding at January 1, 201 7			56,131			$	10.85
Granted			-				-
Exercised			(11,063	)			11.13
Canceled/forfeited/expired			-				-
Outstanding at December 31, 201 7			45,068			$	10.79				2.8			$	1,065,600
Fully vested and exercisable at December 31, 201 7			45,068			$	10.79				2.8			$	1,065,600

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

		Stock Options								Restricted Stock
		Number of Options				Weighted- Average Grant Date Fair Value				Number of Shares				Weighted- Average Grant Date Fair Value*
Nonvested at January 1, 201 7			12,800			$	6.06				7,050			$	36.35
Granted			-				-				104,298				16.38
Canceled/forfeited/expired			-				-				-				-
Vested			(12,800	)			6.06				(7,198	)			24.85
Nonvested at December 31, 201 7			-				-				104,150			$	17.14

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

Exercise Price				Shares Under Outstanding Options				Weighted-Average Remaining Contractual Term				Shares Under Exercisable Options
								(in years)
	$10.44				15,000				0.2				15,000
	$10.90				24,600				4.4				24,600
	$11.22				5,468				2.9				5,468
					45,068				2.8				45,068

X

- Definition

Tabular disclosure for share-based compensation plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

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