EX-12.1 5 d725860dex121.htm EX-12.1

EX-12.1

Exhibit 12.1

CALCULATIONS OF EARNINGS AVAILABLE TO COVER FIXED CHARGES

		Year Ended December 31,
		2013				2012				2011				2010				2009
		(in thousands)
Earnings available to cover fixed charges		$	(22,318	)		$	(28,334	)		$	(29,142	)		$	(24,999	)		$	(21,476	)
Fixed charges			4,570				3,447				3,697				2,665				1,894
Ratio of earnings to fixed charges		$	—			$	—			$	—			$	—			$	—
For all periods presented, earnings are insufficient to cover fixed charges. Coverage is deficient by the following amounts:
		$	(26,888	)		$	(31,781	)		$	(32,839	)		$	(27,664	)		$	(23,370	)
Calculation of earnings available:
Net loss		$	(26,177	)		$	(32,279	)		$	(32,451	)		$	(27,494	)		$	(23,216	)
Equity loss from investment in joint venture			48				165				209				151				44
Fixed charges			3,811				3,780				3,100				2,344				1,696
Earnings available to cover fixed charges		$	(22,318	)		$	(28,334	)		$	(29,142	)		$	(24,999	)		$	(21,476	)
Calculation of fixed charges:
Interest expense		$	2,496			$	2,454			$	2,054			$	1,333			$	702
Interest expense on capital leases			7				2				19				14				16
Amortization of debt discount and deferred financing costs			893				930				711				706				709
Capitalized debt discount and deferred financing costs			759				(333	)			597				321				198
Rent expense estimated interest			415				394				316				291				269
Total Fixed charges		$	4,570			$	3,447			$	3,697			$	2,665			$	1,894