Net Income Per Share (Tables)

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Summary of Net Income Per Share

	Three months ended,
	2015		2014
Net income	$	6,001	$	5,238
Weighted average shares outstanding		18,996		17,656
Effective of dilutive stock options		384		306
Diluted shares outstanding		19,380		17,962
Basic net income per share	$	0.32	$	0.30
Diluted net income per share	$	0.31	$	0.29