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Note D - Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 2017

Notes Tables

Share-based Compensation, Activity [Table Text Block]

		Shares Under Options				Weighted- Average Exercise Price				Weighted- Average Remaining Contractual Term				Aggregate Intrinsic Value*
						(per share)				(in years)
Outstanding-January 1, 2017			56,131			$	10.85
Granted			-				-
Exercised			(4,000	)			11.54
Cancelled/forfeited/expired			-				-
Outstanding at March 31, 2017			52,131			$	10.80				3.2			$	286,116

Exercisable at March 31, 2017			39,331			$	10.77				2.6			$	217,124

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, 2017			12,800			$	6.06				7,050			$	36.35
Granted			-				-				4,298				16.29
Canceled/forfeited/expired			-				-				-				-
Vested			-				-				(5,548	)			19.56
Nonvested at March 31, 2017			12,800			$	6.06				5,800			$	37.55

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				0.9				15,000
	$10.90				6,000				0.1				6,000
	$10.90				25,600				5.2				12,800
	$11.22				5,531				3.7				5,531
					52,131				3.2				39,331