Net Loss Per Share

6 Months Ended

Jun. 30, 2012

Net Loss Per Share [Abstract]

Net Loss Per Share

4. Net Loss Per Share

The following table sets forth the computation of basic and diluted net loss per share (in thousands, except per share data).

	Three Months Ended June 30,						Six Months Ended June 30,
	2012			2011			2012			2011
Net loss	$	(4,208	)	$	(53,474	)	$	(12,415	)	$	(55,082	)
Weighted average common basic shares		40,852			48,308			40,847			48,256
Effect of dilutive securities		—			—			—			—
Weighted average common dilutive shares		40,852			48,308			40,847			48,256
Basic and diluted net loss per share	$	(0.10	)	$	(1.11	)	$	(0.30	)	$	(1.14	)

For both the three and six months ended June 30, 2012 and 2011, the computation of diluted net loss per share did not include 0.1 million shares of unvested restricted common stock as their inclusion would have been anti-dilutive. Options to purchase approximately 5.3 million and 4.5 million shares for both the three and six months ended June 30, 2012 and 2011, respectively, were not included in the computation of diluted net loss per share as their exercise prices were in excess of the average stock prices for the periods presented.