EX-12.1 5 a18-17611_1ex12d1.htm EX-12.1

Exhibit 12.1

 

Computation of Ratio of Earnings to Fixed Charges (1)

 

(in thousands)

 

Three Months
Ended March
31, 2018

 

Year
Ended
December 31,
2017

 

Year
Ended
December 31,
2016

 

Year
Ended
December 31,
2015

 

Year
Ended
December 31,
2014

 

Year
Ended
December 31,
2013

 

Net loss

 

$

(21,050

)

$

(67,802

)

$

(36,440

)

$

(57,865

)

$

(53,365

)

$

(41,202

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ratio of earnings to fixed charges (1)

 

N/A

 

N/A

 

N/A

 

N/A

 

N/A

 

N/A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Coverage deficiency

 

$

(21,050

)

$

(67,802

)

$

(36,440

)

$

(57,865

)

$

(53,365

)

$

(41,202

)

 

(1)                                 The ratio of earnings to fixed charges is defined as earnings divided by fixed charges.  For purposes of this ratio, earnings is defined as net loss plus fixed charges.  Fixed charges consists of interest expense including an estimate of interest expense within rental expense.  Our earnings were insufficient to cover fixed charges in all periods presented, and therefore are unable to disclose a ratio of earnings to fixed charges for all periods presented.