Note 5 - Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2016

Notes Tables

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

	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		(5,000	)		-			28.34
Balance outstanding as of June 30, 2016		75,000			52,500		$	21.10
Options exercisable as of June 30, 2016		75,000			52,500		$	21.10

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		(1,454	)		15.00
Forfeited		-			-
Balance of shares non-vested as of June 30, 2016		66,702		$	13.54