Debt (Tables)

9 Months Ended

Sep. 30, 2019

Debt

Schedule of carrying value of debt

The components of the carrying value of the debt as of September 30, 2019, and December 31, 2018 are detailed below (in thousands):

	September 30,		December 31,
	2019		2018
Principal loan balance	$	75,000	$	75,000
Unamortized debt discount and issuance cost		(4,211)		(4,806)
Cumulative accretion of exit fee		146		32
Long-term debt, net	$	70,935	$	70,226

Schedule of maturities of long-term debt

The annual principal payments due under the Athyrium Credit Facility as of September 30, 2019 were as follows (in thousands):

Years Ending December 31,
2019 (remaining three months)		—
2020		—
2021		—
2022		16,665
2023		33,330
Thereafter		25,005
Total	$	75,000