Note D - Stock-based Compensation (Tables)

6 Months Ended

Jun. 30, 2017

Notes Tables

Share-based Compensation, Activity [Table Text Block]

	Shares Under Options			Weighted- Average Exercise Price		Weighted- Average Remaining Contractua l Term		Aggregate Intrinsi c Value*
				(per share)		(in years)
Outstanding-January 1, 2017		56,131		$	10.85
Granted		-			-
Exercised		(10,000	)		11.16
Cancelled/forfeited/expired		-			-
Outstanding at June 30, 2017		46,131		$	10.79		3.4	$	376,485
Exercisable at June 30, 2017		46,131		$	10.79		3.4	$	376,485

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		-			-		104,298			16.38
Canceled/forfeited/expired		-			-		-			-
Vested		(12,800	)		6.06		(5,548	)		19.56
Nonvested at June 30, 2017		-		$	-		105,800		$	17.54

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		0.7		15,000
$	10.90		25,600		4.9		25,600
$	11.22		5,531		3.4		5,531
			46,131		3.4		46,131