EX-12.1 5 a2226939zex-12_1.htm EX-12.1

Exhibit 12.1

 

Computation of Ratio of Earnings to Fixed Charges

 

 

 

 

 

 

 

 

 

Nine months ended

 

 

 

Year ended December 31,

 

September 30,

 

 

 

2012

 

2013

 

2014

 

2015

 

 

 

(in thousands)

 

 

 

 

 

 

 

 

 

 

 

Net loss

 

$

(11,742

)

$

(26,088

)

$

(36,375

)

$

(36,662

)

Fixed charges:

 

 

 

 

 

 

 

 

 

Interest expensed and capitalized

 

1,486

 

936

 

270

 

399

 

Amortization of debt issuance costs

 

15

 

19

 

16

 

24

 

Estimated interest within rental expense

 

30

 

31

 

27

 

18

 

Total fixed charges

 

1,531

 

986

 

313

 

441

 

Net loss plus fixed charges

 

$

(10,211

)

$

(25,102

)

$

(36,062

)

$

(36,221

)

Ratio of earnings to fixed charges(1)

 

N/A

 

N/A

 

N/A

 

N/A

 

 

(1)                   We did not record earnings for the periods indicated in the table above. Accordingly, our earnings were insufficient to cover fixed charges for such periods and we are unable to disclose a ratio of earnings to fixed charges or a ratio of earnings to combined fixed charges for such periods