Note 8 - Equity Plans (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]

						Weighted Average	Aggregate Intrinsic
	Number of			Weighted Average		Remaining	Value
	Options			Exercise Price		Contractual Term	(in thousands)
Outstanding at December 31, 2013		27,172		$	27.40
Granted		-			-
Exercised		(7,000	)		12.32
Canceled		-			-
Outstanding at June 30, 2014		20,172		$	32.63	2.8 (in years)	$	-
Exercisable at June 30, 2014		20,172		$	32.63	2.8 (in years)	$	-

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

	For the Three Months Ended				For the Six Months Ended
	June 30,				June 30,
(in thousands, except per share data)	2014		2013		2014		2013
RSU expense before taxes	$	268	$	205	$	521	$	449
RSU expense after taxes	$	176	$	120	$	333	$	283
Impact per basic share	$	0.02	$	0.01	$	0.03	$	0.03
Impact per diluted share	$	0.02	$	0.01	$	0.03	$	0.03

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 June 30, 2014		263,934		$	25.74	$	286
Vested at June 30, 2014		220,728		$	26.08	$	211