Net Loss Per Share

6 Months Ended

Jun. 30, 2013

Net Loss Per Share

8. Net Loss Per Share

The calculations of net loss per share were as follows:

	ThreeMonthsEndedJune30,						SixMonthsEndedJune30,
	2013			2012				2013			2012
		(Inthousandsexceptpersharedata)
		(Unaudited)
Basic:
Net loss	$	(28,123	)	$	(10,137	)		$	(40,062	)	$	(19,797	)
Weighted average common shares outstanding		21,128			20,927				21,119			20,903
Net loss per share	$	(1.33	)	$	(0.48	)		$	(1.90	)	$	(0.95	)
Diluted:
Net loss	$	(28,123	)	$	(10,137	)		$	(40,062	)	$	(19,797	)
Weighted average common shares outstanding		21,128			20,927				21,119			20,903
Net loss per share	$	(1.33	)	$	(0.48	)		$	(1.90	)	$	(0.95	)

Basic and diluted average common shares outstanding for purposes of computing net loss per share includes outstanding common shares and vested deferred stock units (DSUs).

If a consolidated or equity method partner company has dilutive stock options, unvested restricted stock, DSUs or warrants, diluted net loss per share is computed by first deducting the income attributable to the potential exercise of the dilutive securities of the partner company from net loss. Any impact is shown as an adjustment to net loss for purposes of calculating diluted net loss per share.

The following potential shares of common stock and their effects on loss were excluded from the diluted net loss per share calculation because their effect would be anti-dilutive:

• For the three and six months ended June30, 2013 and 2012, options to purchase 3.3million and 3.2million shares of common stock, respectively, at prices ranging from $3.93 to $18.80 for both periods, were excluded from the calculations.
• For the three and six months ended June30, 2013 and 2012, unvested restricted stock units, performance stock units and DSUs convertible into 0.4million and 0.2million shares of stock, respectively, were excluded from the calculations.
• For the three and six monthsended June30, 2013 and 2012, 10thousand shares of common stock representing the effect of the assumed conversion of the 2024 Debentures, were excluded from the calculations.
• For the three and six months ended June30, 2013 and 2012, 4thousand and 2.8million shares of common stock, respectively, representing the effect of the assumed conversion of the 2014 Debentures, were excluded from the calculations.
• For the three and six months ended June30, 2013, 3.0million shares of common stock representing the effect of the assumed conversion of the 2018 Debentures, were excluded from the calculation.