Exhibit 12

STATEMENT REGARDING COMPUTATION OF CONSOLIDATED RATIOS OF EARNINGS/DEFICIENCIES TO FIXED CHARGES

(dollars in thousands)

	Fiscal Year Ended December 31,
	2012			2011			2010			2009			2008			2007
Earnings (loss):
Pre-tax loss from continuing operations before adjustment for loss from equity investee	$	(112,064	)	$	(54,144	)	$	(35,362	)	$	(42,098	)	$	(16,240	)	$	(79,146	)
add: Fixed charges (see below)		1,188			1,207			1,207			712			1,115			1,553
Pre-tax income (loss) from continuing operations before adjustment for income/loss from equity investees plus fixed charges	$	(110,876	)	$	(52,937	)	$	(34,155	)	$	(41,386	)	$	(15,125	)	$	(77,593	)
Fixed charges:
Interest expense on indebtedness	$	—		$	—		$	—		$	—		$	872		$	1,083
Interest expense on portion of rent expense representative of interest		1,188			1,207			1,207			712			243			470
Total fixed charges	$	1,188		$	1,207		$	1,207		$	712		$	1,115		$	1,553
Ratio of earnings to fixed charges		—			—			—			—			—			—
Deficiency of earnings available to cover fixed charges	$	(112,064	)	$	(54,144	)	$	(35,362	)	$	(42,098	)	$	(16,240	)	$	(79,146	)