Net (Loss) Income Per Share (Tables)

9 Months Ended

Sep. 30, 2013

Schedule of Earnings Per Share, Basic and Diluted

The following table provides a reconciliation of the numerator and denominator used in computing basic and diluted net loss per share of Common Stock:



	Three Months Ended September 30,						Nine Months Ended September 30,
	2013			2012			2013			2012
Numerator:
Net loss	$	(2,516	)	$	(1,259	)	$	(11,429	)	$	(15,872	)
Denominator:
Basic shares:
Weighted-average common shares outstanding	55,191,868			54,391,089			55,042,305			54,291,683
Diluted shares:
Weighted-average shares used to compute basic net loss per share	55,191,868			54,391,089			55,042,305			54,291,683
Effect of potentially dilutive securities:
Options to purchase Common Stock	—			—			—			—
Unvested shares of RSAs	—			—			—			—
Unvested shares of RSUs	—			—			—			—
Weighted-average shares used to compute diluted net loss per share	55,191,868			54,391,089			55,042,305			54,291,683
Net loss per share:
Basic	$	(0.05	)	$	(0.02	)	$	(0.21	)	$	(0.29	)
Diluted	$	(0.05	)	$	(0.02	)	$	(0.21	)	$	(0.29	)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following outstanding options to purchase Common Stock, unvested shares under restricted stock awards and unvested shares issuable upon settlement of restricted stock units were excluded from the computation of diluted net loss per share for the periods presented as their effect would have been antidilutive:



	Three Months Ended September 30,		Nine Months Ended September 30,
	2013	2012	2013	2012
Options to purchase Common Stock	5,251,770	5,869,080	5,251,770	5,869,080
Unvested shares of RSAs	577,449	673,381	577,449	673,381
Unvested shares issuable upon settlement of RSUs	1,240,548	460,846	1,240,548	460,846