Note 13 - Stock Based Compensation (Tables)

6 Months Ended

Jun. 30, 2014

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

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

	Stock Options  Outstanding					Non-Vested Stock  Awards Outstanding
	Number  of  Shares			Weighted  Average  Exercise  Price		Number  of  Shares			Weighted  Average  Grant-Date  Fair-Value
Balance, January 1, 2014		184,410		$	27.04		145,635		$	26.00
Granted		--			--		71,840			35.62
Stock Options Exercised		(33,360	)		25.25		--			--
Stock Awards Vested		--			--		(48,225	)		30.47
Forfeited/Expired		--			--		(1,558	)		25.64
Balance, June 30, 2014		151,050		$	27.43		167,692		$	28.68
Exercisable, June 30, 2014		151,050		$	27.43

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

			Options Outstanding						Options Exercisable
Range of  Exercise Prices			Number  of Shares		Weighted  Average  Remaining  Contractual  Life (Years)		Weighted  Average  Exercise  Price		Number  of Shares		Weighted  Average  Exercise  Price
$23.78	-	$23.78		10,800		0.07	$	23.78		10,800	$	23.78
24.50	-	24.50		22,800		0.90		24.50		22,800		24.50
26.19	-	27.67		38,700		1.88		26.21		38,700		26.21
28.42	-	28.42		38,500		2.92		28.42		38,500		28.42
30.31	-	30.31		40,250		3.91		30.31		40,250		30.31