Debt (Tables)

9 Months Ended

Sep. 30, 2019

Debt Disclosure [Abstract]

Convertible Debt

At September 30, 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:

	September 30, 2019		December 31, 2018
Face amount of the 2019 Notes (due December 2019)	$	13,022	$	15,702
Revolver, current	2,500		—
Less unamortized discounts and debt issuance costs	(245)		(1,291)
Total net carrying value, current	$	15,277	$	14,411
	September 30, 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)	25,000		15,000
Face amount of the 2023 Loan (due February 2023)	76,359		70,000
Total carrying value, non-current	176,449		160,090
Less unamortized discounts and debt issuance costs	(17,662)		(20,519)
Total net carrying value, non-current	$	158,787	$	139,571