Exhibit 12.1
Computation of Ratio of Earnings to Fixed Charges and Ratio of Earnings to Combined Fixed Charges and
Preferred Stock Dividends
Years ended December 31, | Nine Months Ended September 30, 2013 | |||||||||||||||||||||||
| 2008 | 2009 | 2010 | 2011 | 2012 | ||||||||||||||||||||
Earnings: | ||||||||||||||||||||||||
Net loss before income taxes | $ | (5,805 | ) | $ | (2,300 | ) | $ | (9,491 | ) | $ | (16,566 | ) | $ | (18,991 | ) | $ | (7,213 | ) | ||||||
Plus: Fixed charges | 19 | 29 | 39 | 65 | 128 | 114 | ||||||||||||||||||
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Earnings, as defined | $ | (5,786 | ) | $ | (2,271 | ) | $ | (9,452 | ) | $ | (16,501 | ) | $ | (18,863 | ) | $ | (7,099 | ) | ||||||
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Fixed Charges: | ||||||||||||||||||||||||
Interest component of rentals(1) | 19 | 29 | 39 | 65 | 128 | 114 | ||||||||||||||||||
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Total | 19 | 29 | 39 | 65 | 128 | 114 | ||||||||||||||||||
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Deficiency in earnings to cover fixed charges | * | * | * | * | * | * | ||||||||||||||||||
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| (1) | Represents the estimated portion of operating lease rental expense that is considered by us to be a reasonable representation of interest. |
| * | Because of the deficiency in earnings to cover fixed charges, the ratio information is not applicable |
