Debt (Tables)

12 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

Debt

Debt at December 31, 2019, consisted of the following (in thousands):

	December 31, 2019
	Principal		Unamortized Discount			Net Carrying Value
Term Loan Credit Agreement	$	40,000	$	(586	)	$	39,414
Less: debt – current		—		—			—
Debt – non-current	$	40,000	$	(586	)	$	39,414

Debt at December 31, 2018, consisted of the following (in thousands):

	December 31, 2018
	Principal			Unamortized Discount			Net Carrying Value
Oxford Term Loan Agreement	$	30,000		$	(130	)	$	29,870
Less: debt – current		(7,857	)		—			(7,857	)
Debt – non-current	$	22,143		$	(130	)	$	22,013

Expected Principal, Interest and Fee Payments on Term Loan Credit Agreement

Principal, interest and fee payments on Term Loan Credit Agreement at December 31, 2019, are expected to be as follows (in thousands):

Year ended December 31,	Principal		Interest and Fees		Total
2020	$	—	$	3,050		3,050
2021		—		3,042		3,042
2022		15,000		2,660		17,660
2023		20,000		1,203		21,203
2024		5,000		1,264		6,264
Total	$	40,000	$	11,219	$	51,219