Quarterly report pursuant to Section 13 or 15(d)

Debt (Tables)

v3.19.1
Debt (Tables)
 3 Months Ended
Mar. 31, 2019
Debt Disclosure [Abstract]  
Schedule of convertible debt obligations
The Company’s outstanding debt obligations as of March 31, 2019 and December 31, 2018 were as follows: 
 
 
March 31,
 
December 31,
 
 
2019
 
2018
Convertible Notes due 2019
 
$
172,500

 
$
172,500

Unaccreted discount on Convertible Notes due 2019
 
(4,393
)
 
(5,890
)
Unamortized issuance costs on Convertible Notes due 2019
 
(665
)
 
(899
)
Convertible Notes due 2019 carrying value
 
$
167,442

 
$
165,711

 
 
 
 
 
Convertible Notes due 2023
 
$
345,000

 
$
345,000

Unaccreted discount on Convertible Notes due 2023
 
(40,379
)
 
(42,641
)
Unamortized issuance costs on Convertible Notes due 2023
 
(7,229
)
 
(7,634
)
Convertible Notes due 2023 carrying value
 
$
297,392

 
$
294,725

 
 
 
 
 
Revolving credit facility balance
 
$
—

 
$
—

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
 
 
March 31,
 
 
2019
 
2018
Accretion of debt discount
 
$
3,758

 
$
1,418

Coupon interest
 
2,264

 
755

Amortization of issuance costs
 
858

 
450

Undrawn and other fees
 
216

 
48

Interest on revolving credit facility
 
—

 
2,565

 Total
 
$
7,096

 
$
5,236