Note 5 - Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2013

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, 2013		174,500			167,000		$	16.38
Granted		-			-			-
Exercised		(1,800	)		-			5.23
Forfeited		(600	)		(2,000	)		12.97
Balance outstanding as of June 30, 2013		172,100			165,000			16.46
Options exercisable as of June 30, 2013		148,800			140,500			18.29