Earnings Per Share

The computation of the Company’s basic and diluted net income per share are as follows (in thousands, except per share amounts):



	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Numerator:
Net income attributable to common stockholders	$	7,409	$	18,346	$	35,441	$	28,228
Denominator:
Weighted average shares used to compute net income per share attributable to common stockholders, basic	109,559		105,093		108,510		104,568
Weighted average effect of potentially dilutive shares to purchase common stock	7,508		2,254		5,420		2,343
Weighted average shares used to compute net income per share attributable to common stockholders, diluted	117,067		107,347		113,930		106,911
Net income per share attributable to common stockholders
Basic	$	0.07	$	0.17	$	0.33	$	0.27
Diluted	$	0.06	$	0.17	$	0.31	$	0.26

The following shares were excluded from the computation of diluted net income per share as the impact of including those shares would be anti-dilutive (in thousands):



	Three Months Ended June 30,		Six Months Ended June 30,
	2018	2017	2018	2017
Warrants	1,251	1,251	1,251	1,251
Outstanding stock options	2,188	13,712	6,052	13,712
Unvested restricted stock units	334	1,256	1,057	1,256
Total	3,773	16,219	8,360	16,219