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Debt (Tables)
 12 Months Ended
Dec. 31, 2015
Debt  
Schedule of outstanding debt obligations

 

 

 

 

 

 

 

 

 

 

December 31,

 

 

   

2015

    

2014

 

Convertible Notes

 

$
172,500

 

$
172,500

 

Unaccreted discount on Convertible Notes

 

 
(22,367)

 

 
(27,297)

 

 

 

$
150,133

 

$
145,203

 

 

 

 

 

 

 

 

 

Term Notes

 

$
150,000

 

$

 —

 

 

Schedule of interest expense on convertible debt

 

 

 

 

 

 

 

 

 

 

December 31,

 

 

    

2015

    

2014

 

Coupon interest

 

$
3,019

 

$
126

 

Amortization of issuance costs

 

 
1,462

 

 
79

 

Accretion of debt discount

 

 
4,932

 

 
242

 

Undrawn and other fees

 

 
858

 

 
179

 

 

 

$
10,271

 

$
626