Note 5 - Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2016

Notes Tables

Schedule of 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, 2016		91,500			57,500		$	19.58
Granted		-			-			-
Exercised		(11,500	)		(5,000	)		5.20
Forfeited		(15,000	)		-			28.11
Balance outstanding as of September 30, 2016		65,000			52,500		$	20.51
Options exercisable as of September 30, 2016		65,000			52,500		$	20.51

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, 2016		43,477		$	12.75
Granted		24,679			15.01
Vested		(7,201	)		13.13
Forfeited		-			-
Balance of shares non-vested as of September 30, 2016		60,955		$	13.62