Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

Schedule of Debt

Long-term debt consisted of the following:

(in thousands)	December 31, 2019		December 31, 2018
Principal amount of long-term debt	$	20,000	$	10,000
Less: Current portion of long-term debt	—		(1,687)
Long-term debt, net of current portion	20,000		8,313
Debt discount, net of accretion	(317)		(226)
Cumulative accretion of final payment due at maturity	414		58
Long-term debt, including accretion, net of discount and current portion	$	20,097	$	8,145

Schedule of Maturities of Long-term Debt

As of December 31, 2019, future principal payments and the final payment due under the Company’s loan agreements were as follows (in thousands):

Year Ending December 31	Total
2020	$	—
2021	—
2022	11,897
2023	8,103
Long-term debt	$	20,000