Note 5 - Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

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, 2014		168,100			121,000		$	16.54
Granted		-			-			-
Exercised		(25,100	)		(14,500	)		5.33
Forfeited		(2,700	)		(24,000	)		19.03
Balance outstanding as of September 30, 2014		140,300			82,500			18.23
Options exercisable as of September 30, 2014		133,900			79,500			18.81