Note 8 - Equity Plans (Tables)

9 Months Ended

Sep. 30, 2013

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

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

	Number of Options			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (years)		Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2012		40,339		$	21.79
Granted		-			-
Exercised		(11,667	)		7.33
Canceled		(1,500	)		32.63
Outstanding at September 30, 2013		27,172		$	27.40		2.8	$	108
Exercisable at September 30, 2013		27,172		$	27.40		2.8	$	108

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

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2013		2012		2013		2012
(in thousands, except per share data)
RSU expense before taxes	$	238	$	326	$	688	$	878
RSU expense after taxes		129		209		422		536
Impact per basic share	$	0.01	$	0.02	$	0.04	$	0.05
Impact per diluted share		0.01		0.02		0.04		0.05

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

	Number of Shares		Weighted Average Granted Price		Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2012		192,819	$	26.22
Granted		37,341		21.33
Converted into shares		-		-
Forfeited		-		-
Outstanding at September 30, 2013		230,160	$	25.43	$	768
Vested at September 30, 2013		173,344	$	25.98	$	558