Note 6 - Stock Based Compensation (Tables)

9 Months Ended

Sep. 30, 2017

Notes Tables

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

	Options Outstanding			Weighted Average Exercise Price		Aggregate Intrinsic Value (1)		Weighted Average Contractual Term (years)
Balance at December 31, 2016		201,000		$	7.80
Granted		–			–
Exercised		(4,000	)		6.90
Expired		(5,500	)		10.00
Forfeited		–			–
Balance at September 30, 2017		191,500		$	7.76	$	609,025		6.07
Exercisable at September 30, 2017		99,700		$	8.55	$	246,415		4.91

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

	For the Nine Months Ended September 30, 2017					For the Nine Months Ended September 30, 2016
	Shares			Weighted- Average Grant Date Fair Value		Shares				Weighted- Average Grant Date Fair Value
Nonvested at beginning of year		31,546		$	7.03		39,352		*	$	6.00	*
Granted		8,258			9.87		11,149		*		9.09	*
Vested		(11,125	)		6.03		(11,371	)	*		5.44	*
Forfeited		-			-		(6,788	)	*		6.99	*
Nonvested at the end of the period		28,679		$	8.23		32,342		*	$	7.06	*