Note 11 - Net Income Per Share (Tables)

6 Months Ended

Jun. 30, 2017

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three months ended				Six months ended
(in thousands, except per share data)	June 30,				June 30,
	2017		2016		2017		2016
Net income	$	10,602	$	10,109	$	21,393	$	19,944
Average shares outstanding		22,783		22,336		22,788		22,295
Dilutive securities		458		368		483		363
Average shares outstanding including dilutive securities including dilutive securities		23,241		22,704		23,271		22,658
Net income per share, basic	$	0.47	$	0.45	$	0.94	$	0.89
Net income per share, diluted	$	0.46	$	0.45	$	0.92	$	0.88