XML 39 R28.htm IDEA: XBRL DOCUMENT v3.8.0.1
Convertible Senior Notes (Tables)
 9 Months Ended
Sep. 30, 2017
Convertible Senior Notes,  
Schedule of Total Interest Expense Recognized Related to Notes

The following table sets forth total interest expense recognized during the three and nine months ended September 30, 2017 and 2016 (in thousands):

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Three months ended September 30, 

 

Nine months ended September 30, 

 

 

    

2017

    

2016

    

2017

    

2016

 

Contractual interest expense

 

$

1,797

 

$

1,797

 

$

5,391

 

$

5,390

 

Accretion of interest on milestone liability

 

 

500

 

 

 —

 

 

1,449

 

 

 —

 

Amortization of debt issuance costs

 

 

321

 

 

311

 

 

956

 

 

928

 

Total interest expense

 

$

2,618

 

$

2,108

 

$

7,796

 

$

6,318