Note 8 - Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2016

Notes Tables

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

	Three Months Ended March 31 ,
	2016		201 5
Net Income	$	9,687	$	7,900
Weighted-average number of basic shares outstanding during the period		18,994		19,450
Dilutive effect of stock options and RSUs		299		388
Weighted-average number of diluted shares outstanding during the period		19,293		19,838
Basic earnings per share	$	0.51	$	0.41
Diluted earnings per share	$	0.50	$	0.40