Net (loss) income per share attributable to common stockholders

12 Months Ended

Dec. 31, 2013

Net (loss) income per share attributable to common stockholders

Net (loss) income per share attributable to common stockholders

16. Net (loss) income per share attributable to common stockholders

        The following table sets forth the computation of basic and diluted net (loss) income per share attributable to common stockholders:

	Years ended December 31,
	2013			2012		2011
	(in thousands)
Numerator:
Net (loss) income attributable to common stockholders, basic and diluted	$	(3,793	)	$	7,295	$	4,662
Denominator:
Weighted average common stock, basic		35,578			34,774		24,014
Effect of dilutive stock options		—			2,543		3,457
Effect of dilutive common stock warrants		—			—		10
Weighted average common stock, diluted		35,578			37,317		27,481
Net (loss) income per share attributable to common stockholders:
Basic	$	(0.11	)	$	0.21	$	0.19
Diluted	$	(0.11	)	$	0.20	$	0.17

        For the year ended December 31, 2013, we excluded all stock options and RSUs from the computation of diluted net loss per share due to the net loss for the period. The following outstanding securities were not included in the computation of diluted net income per share as the inclusion would have been anti-dilutive for the years ended December 31, 2012 and 2011:

	Years ended December 31,
	2012		2011
	(in thousands)
Convertible preferred stock		—		7,699
Stock options		2,518		2,172
Preferred stock warrants		—		26
Total		2,518		9,897