Net Loss per Share (Tables)

3 Months Ended

Mar. 31, 2014

Net Loss per Share

Schedule of components of basic and diluted net loss per share

The components of basic and diluted net loss per share were as follows (in thousands, except per share data):

	Three Months Ended March 31,
	2014			2013
Net loss	$	(7,102	)	$	(3,895	)
Weighted average common shares outstanding	21,824			21,544
Net loss per share:
Basic and diluted	$	(0.33	)	$	(0.18	)

Schedule of anti-dilutive securities excluded from computation of diluted net loss per share

The following table sets forth the potential common shares issuable upon the exercise of outstanding options, the vesting of RSUs and warrants (prior to consideration of the treasury stock method), which were excluded from our computation of diluted net loss per share because such instruments were anti-dilutive (in thousands):

	Three Months Ended March 31,
	2014	2013
Options to purchase shares of common stock	3,335	2,750
Shares of common stock issuable upon the vesting of restricted stock units	481	510
Warrants	7,382	—
Total	11,198	3,260