Debt (Tables)

3 Months Ended

Mar. 31, 2019

Debt Disclosure [Abstract]

Convertible Debt

At March 31, 2019 and December 31, 2018, the net carrying value of the debt and the remaining unamortized debt discounts and debt issuance costs were as follows:

	March 31, 2019		December 31, 2018
Face amount of the 2019 Notes (due December 2019)	$	13,022	$	15,702
Less unamortized discounts and debt issuance costs	(808)		(1,291)
Total net carrying value	$	12,214	$	14,411
	March 31, 2019		December 31, 2018
Face amount of the 2023 Notes (due May 2023)	$	75,090	$	75,090
Face amount of the Revolver Credit Facility (due December 2022)	20,000		15,000
Face amount of the 2023 Loan (due February 2023)	72,020		70,000
Total carrying value, non-current	167,110		160,090
Less unamortized discounts and debt issuance costs	(19,621)		(20,519)
Total net carrying value, non-current	$	147,489	$	139,571