Exhibit 12.1
STATEMENT OF COMPUTATION OF RATIOS
| Three Months Ended March 31, |
Year Ended December 31, | |||||||||||||||||||||||
| 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | |||||||||||||||||||
| Fixed charges |
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| Interest expense |
$ | — | $ | — | $ | — | $ | — | $ | — | $ | — | ||||||||||||
| Estimated interest portion of rent expense |
188,000 | 898,000 | 1,111,000 | 1,298,000 | 1,460,000 | 1,599,000 | ||||||||||||||||||
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| Total fixed charges |
$ | 188,000 | $ | 898,000 | $ | 1,111,000 | $ | 1,298,000 | $ | 1,460,000 | $ | 1,599,000 | ||||||||||||
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| Earnings: |
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| Net loss from continuing operations before income taxes |
$ | (3,821,000 | ) | $ | (16,492,000 | ) | $ | (31,238,000 | ) | $ | (22,899,000 | ) | $ | (7,283,000 | ) | $ | (30,385,000 | ) | ||||||
| Add: Fixed charges |
188,000 | 898,000 | 1,111,000 | 1,298,000 | 1,460,000 | 1,599,000 | ||||||||||||||||||
| Amortization of capitalized interest |
— | — | — | — | — | — | ||||||||||||||||||
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| Total earnings |
$ | (3,633,000 | ) | $ | (15,594,000 | ) | $ | (30,127,000 | ) | $ | (21,601,000 | ) | $ | (5,823,000 | ) | $ | (28,786,000 | ) | ||||||
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| Ratio of earnings to fixed charges |
— | — | — | — | — | — | ||||||||||||||||||
| Ratio of earnings to combined fixed charges and preference dividends(1) |
— | — | — | — | — | — | ||||||||||||||||||
| (1) | For the three months ended March 31, 2015 and the years ended December 31, 2014, 2013, 2012, 2011, and 2010, the earnings were insufficient to cover fixed charges by $3,821,000, $16,492,000, $31, 238,000, $22,899,000, $7,283,000 and 30,385,000, respectively. |
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