Exhibit 12.1
Computation of Deficiency in the Coverage of Fixed Charges by Earnings Before Fixed Charges and
Preferred Stock Dividends
| Year ended December 31, | Nine months ended September 30, 2012 | |||||||||||||||||||||||
| 2007 | 2008 | 2009 | 2010 | 2011 | ||||||||||||||||||||
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Fixed charges: | ||||||||||||||||||||||||
Interest expense | $ | 104 | $ | 104 | $ | 97 | $ | 94 | $ | 90 | $ | 65 | ||||||||||||
Estimate of interest expense within rental expense | 129 | 129 | 153 | 204 | 220 | 182 | ||||||||||||||||||
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Total fixed charges | $ | 233 | $ | 233 | $ | 250 | $ | 298 | $ | 310 | $ | 247 | ||||||||||||
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Earnings before fixed charges: | ||||||||||||||||||||||||
Net loss before provision for income taxes | $ | (27,168 | ) | $ | (23,953 | ) | $ | (25,159 | ) | $ | (32,177 | ) | $ | (2,318 | ) | $ | (59,220 | ) | ||||||
Add fixed charges | 233 | 233 | 250 | 298 | 310 | 247 | ||||||||||||||||||
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Total earnings (loss) before fixed charges | $ | (26,935 | ) | $ | (23,720 | ) | $ | (24,909 | ) | $ | (31,879 | ) | $ | (2,008 | ) | $ | (58,973 | ) | ||||||
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Deficiency of earnings to cover fixed charges: | $ | (27,168 | ) | $ | (23,953 | ) | $ | (25,159 | ) | $ | (32,177 | ) | $ | (2,318 | ) | $ | (59,220 | ) | ||||||
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Earnings before fixed charges and preferred stock dividends: | ||||||||||||||||||||||||
Net loss before provision for income taxes | $ | (27,168 | ) | $ | (23,953 | ) | $ | (25,159 | ) | $ | (32,177 | ) | $ | (2,318 | ) | $ | (59,220 | ) | ||||||
Add fixed charges | 233 | 233 | 250 | 298 | 310 | 247 | ||||||||||||||||||
Add preferred stock dividends | — | — | — | — | — | — | ||||||||||||||||||
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Total earnings (loss) before fixed charges and preferred stock dividends | $ | (26,935 | ) | $ | (23,720 | ) | $ | (24,909 | ) | $ | (31,879 | ) | $ | (2,008 | ) | $ | (58,973 | ) | ||||||
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Deficiency of earnings to cover fixed charges and preferred stock dividends: | $ | (27,168 | ) | $ | (23,953 | ) | $ | (25,159 | ) | $ | (32,177 | ) | $ | (2,318 | ) | $ | (59,220 | ) | ||||||
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