Quarterly report pursuant to Section 13 or 15(d)

Debt (Tables)

v3.10.0.1
Debt (Tables)
 9 Months Ended
Sep. 30, 2018
Debt Disclosure [Abstract]  
Schedule of convertible debt obligations
The Company’s outstanding debt obligations as of September 30, 2018 and December 31, 2017 were as follows: 
 
 
September 30,
 
December 31,
 
 
2018
 
2017
Convertible Notes due 2019
 
$
172,500

 
$
172,500

Unaccreted discount on Convertible Notes due 2019
 
(7,363
)
 
(11,677
)
Unamortized issuance costs on Convertible Notes due 2019
 
(1,134
)
 
(1,833
)
Convertible Notes due 2019 carrying value
 
$
164,003

 
$
158,990

 
 
 
 
 
Convertible Notes due 2023
 
$
345,000

 
$
—

Unaccreted discount on Convertible Notes due 2023
 
(44,886
)
 
—

Unamortized issuance costs on Convertible Notes due 2023
 
(8,036
)
 
—

Convertible Notes due 2023 carrying value
 
$
292,078

 
$
—

 
 
 
 
 
Revolving credit facility balance
 
$
—

 
$
81,168

Schedule of interest expense
Interest expense was comprised of the following and is included in other expense, net in the condensed consolidated statement of operations:
 
 
Three Months Ended
 
Nine Months Ended
 
 
September 30,
 
September 30,
 
 
2018
 
2017
 
2018
 
2017
Interest on revolving credit facility
 
$
—

 
$
1,088

 
$
3,994

 
$
3,543

Accretion of debt discount
 
3,587

 
1,393

 
7,416

 
4,074

Coupon interest
 
2,264

 
755

 
4,385

 
2,264

Amortization of issuance costs
 
849

 
483

 
1,920

 
2,529

Undrawn and other fees
 
220

 
139

 
433

 
261

 
 
$
6,920


$
3,858


$
18,148


$
12,671