Debt (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Summary of Debt

A summary of the Company’s debt as of December 31, 2015 and 2014 is as follows (in thousands):

	December 31, 2015			December 31, 2014
Convertible debt:
2018 Notes	$	61,632		$	61,632
2019 Notes	149,500			149,500
Equipment note	—			6
Total debt	211,132			211,138
Add:
Fair value of embedded derivative	82			83
Less:
Unamortized debt discount	(8,749		)	(11,124		)
Current portion of debt	—			(6		)
Long-term portion of debt	$	202,465		$	200,091

Summary of Debt Maturity

A summary of debt maturity follows (in thousands):

	December 31, 2015
2016	$	—
2017	—
2018	61,632
2019	149,500
Total	$	211,132