Net Loss Per Share

3 Months Ended

Mar. 31, 2015

Net Loss Per Share

Net Loss Per Share

2.  Net Loss Per Share

Basic and diluted net loss per common share is computed by dividing net loss by the weighted average number of common shares outstanding during the period.

The following potentially dilutive securities have been excluded from the computation of diluted weighted average shares outstanding as they would be anti-dilutive (in thousands):

	Three Months Ended
	March 31,
	2015	2014
Options to purchase common stock	21,090	21,876
Shares subject to repurchase	49	45
Restricted stock units	491	—
	21,630	21,921

The number of shares issuable under the Company’s employee stock purchase plan that were excluded from the calculation of diluted weighted average shares outstanding because their effects would be anti-dilutive was insignificant.