Computation of Net Loss per Share (Tables)

6 Months Ended

Jun. 30, 2013

Computation of Net Loss per Share

Schedule of components of net loss per share

	Three months endedJune 30,						Six months endedJune 30,
	2013			2012			2013			2012
	(in thousands, except per share data)
Net loss attributable to common stockholders	$	(4,019	)	$	(471	)	$	(13,008	)	$	(10,499	)
Weighted average common shares outstanding used in computing basic and diluted net loss per share	108,409			107,639			108,319			107,353
Net loss per share
Basic and Diluted	$	(0.04	)	$	(0.00	)	$	(0.12	)	$	(0.10	)

Schedule of the number of incremental shares excluded from the calculation of net loss per share

	Three months ended June 30,		Six months endedJune 30,
	2013	2012	2013	2012
	(in thousands)
Incremental shares excluded from the calculation of net loss per share	2,183	1,390	2,159	1,809