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 | |||||||||||||||
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Ratio of earnings to fixed charges | $ | — | $ | — | $ | — | $ | — | $ | — | ||||||||||
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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 | ) | ||||||
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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 | |||||||||||||||
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Earnings available to cover fixed charges | $ | (22,318 | ) | $ | (28,334 | ) | $ | (29,142 | ) | $ | (24,999 | ) | $ | (21,476 | ) | |||||
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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 | |||||||||||||||
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Total Fixed charges | $ | 4,570 | $ | 3,447 | $ | 3,697 | $ | 2,665 | $ | 1,894 | ||||||||||
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