Note 8 - Equity 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]

						Weighted Average	Aggregate Intrinsic
	Number of			Weighted Average		Remaining	Value
	Options			Exercise Price		Contractual Term (in Years)	(in thousands)
Outstanding at December 31, 2013		27,172		$	27.40
Granted		-			-
Exercised		(7,000	)		12.32
Canceled		-			-
Outstanding at September 30, 2014		20,172		$	32.63	2.6	$	-
Exercisable at September 30, 2014		20,172		$	32.63	2.6	$	-

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

	For the Three Months Ended				For the Nine Months Ended
	September 30,				September 30,
(in thousands, except per share data)	2014		2013		2014		2013
RSU expense before taxes	$	360	$	238	$	881	$	688
RSU expense after taxes		225		129		561		422
Impact per basic share		0.02		0.01		0.05		0.04
Impact per diluted share	$	0.02	$	0.01	$	0.05	$	0.04

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

						Aggregate
	Number of			Weighted Average		Intrinsic Value
	Shares			Granted Price		(in thousands)
Outstanding at December 31, 2013		230,958		$	25.44
Granted		34,226			27.69
Converted into shares		(1,250	)		23.56
Forfeited		-			-
Outstanding at September 30, 2014		263,934		$	25.74	$	11
Vested at September 30, 2014		225,265		$	26.02	$	7