Computation of Net Loss per Share (Tables)

9 Months Ended

Sep. 30, 2014

Computation of Net Loss per Share

Schedule of components of net loss per share

	Three months ended September 30,						Nine months ended September 30,
	2014			2013			2014			2013
	(in thousands, except per share data)
Net loss attributable to common stockholders	$	(4,704	)	$	(4,750	)	$	(11,430	)	$	(17,758	)
Weighted average common shares outstanding used in computing basic and diluted net loss per share	111,701			109,074			111,191			108,573
Net loss per share
Basic and Diluted	$	(0.04	)	$	(0.04	)	$	(0.10	)	$	(0.16	)

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

	Three months ended September 30,		Nine months ended September 30,
	2014	2013	2014	2013
	(in thousands)
Incremental shares excluded from the calculation of net loss per share	4,296	4,383	4,550	2,620