Net Loss Per Share (Tables)

3 Months Ended

Mar. 31, 2013

Earnings Per Share [Abstract]

Schedule of Weighted Average Number of Shares

Net loss per share was computed by dividing net loss by the weighted average number of common shares outstanding for the three months ended March 31, 2013 and 2012 as follows:

	Three Months Ended
	March 31,
	2013			2012
Net loss	$	(9,334	)	$	(16,703	)
Weighted average shares	62,189			57,620
Net loss per share - basic and diluted	$	(0.15	)	$	(0.29	)

The

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following outstanding Company securities were excluded from the above calculations of net loss per share because their impact would have been anti-dilutive due to the net losses during the three months ended March 31, 2013 and 2012:

	Three Months Ended
	March 31,
	2013	2012
Common stock options	2,768	3,748
Restricted stock awards	492	487
Restricted stock units	457	—
Common stock issuable in connection with Contingent Payment (see Note 9)	4,100	4,200
Total	7,817	8,435