Note 5 - Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2017

Notes Tables

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

Stock Options
	Number of shares
	Incentive Stock Option			Non- Incentive Stock Option			Weighted Average Exercise Price
Balance outstanding as of January 1, 2017		60,000			52,500		$	20.15
Granted		-			-			-
Exercised		-			-			-
Forfeited		(11,000	)		(25,000	)		29.48
Balance outstanding as of September 30, 2017		49,000			27,500		$	15.75
Options exercisable as of September 30, 2017		49,000			27,500		$	15.75

Nonvested Restricted Stock Shares Activity [Table Text Block]

Restricted Stock
	Number of Shares			Weighted Average Grant- Date Fair Value
Balance of shares non-vested as of January 1, 2017		60,955		$	13.62
Granted		13,386			20.33
Vested		(27,291	)		12.25
Forfeited		-			-
Balance of shares non-vested as of September 30, 2017		47,050		$	16.33

Schedule of Nonvested Performance-based Units Activity [Table Text Block]

Performance Stock Units
	Performance Stock Units		Weighted Average Grant- Date Fair Value
Balance of shares non-vested as of January 1, 2017		-	$	-
Granted		55,823		20.48
Vested		-		-
Forfeited		-		-
Balance of shares non-vested as of September 30, 2017		55,823	$	20.48