Exhibit 12.1
COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
(dollars in thousands)
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Three Months |
|
Year Ended December 31, |
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|
2017 |
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2016 |
|
2015 |
|
2014 |
|
2013 |
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Fixed charges: |
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|
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Interest expense on indebtedness |
|
$ |
3 |
|
$ |
19 |
|
$ |
18 |
|
$ |
— |
|
$ |
33 |
|
|
Interest expense on portion of rent expense representative of interest |
|
301 |
|
1,187 |
|
364 |
|
241 |
|
244 |
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|
Total fixed charges |
|
$ |
304 |
|
$ |
1,206 |
|
$ |
382 |
|
$ |
241 |
|
$ |
277 |
|
|
|
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Net loss |
|
$ |
(11,515 |
) |
$ |
(47,743 |
) |
$ |
(29,818 |
) |
$ |
(13,431 |
) |
$ |
(8,665 |
) |
|
Fixed charges per above |
|
304 |
|
1,206 |
|
382 |
|
241 |
|
277 |
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|
Total earnings (loss) |
|
$ |
(11,211 |
) |
$ |
(46,537 |
) |
$ |
(29,436 |
) |
$ |
(13,190 |
) |
$ |
(8,388 |
) |
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Ratio of earnings to fixed charges |
|
N/A |
|
N/A |
|
N/A |
|
N/A |
|
N/A |
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|
Deficiency of earnings available to cover fixed charges |
|
$ |
(11,515 |
) |
$ |
(47,743 |
) |
$ |
(29,818 |
) |
$ |
(13,431 |
) |
$ |
(8,665 |
) |