Net Income Per Share

12 Months Ended

Dec. 31, 2018

Earnings Per Share [Abstract]

Net Income Per Share

Net Income per Share

The following table sets forth the computation of basic and diluted net income per share (in thousands, except per share amounts):

	Year Ended December 31,
	2018		2017		2016
Numerator for basic net income per share:
Net income	$	25,970	$	54,387	$	15,902
Denominator for basic net income per share:
Weighted-average common shares outstanding	39,846		38,447		36,404
Basic net income per share	$	0.65	$	1.41	$	0.44
Numerator for diluted net income per share:
Net income	$	25,970	$	54,387	$	15,902
Denominator for diluted net income per share:
Weighted-average common shares outstanding	39,846		38,447		36,404
Dilutive stock options, restricted stock and performance restricted stock units and employee stock purchase plan shares	588		968		806
Diluted weighted-average common shares outstanding	40,434		39,415		37,210
Diluted net income per share	$	0.64	$	1.38	$	0.43

Stock options and restricted stock units to purchase common stock are not included in the computation of diluted earnings per share if their effect would be anti-dilutive. There were 1.7 million, 0.8 million, and 0.9 million anti-dilutive shares for 2018, 2017 and 2016, respectively.