Debt (Tables)

12 Months Ended

Dec. 31, 2021

Debt Disclosure [Abstract]

Summary of Long-term Debt

Long-term debt consisted of the following (in thousands):

	December 31,
	2021			2020
Principal amount of long-term debt	$	12,733		$	16,123
Less: Current portion of long-term debt		(5,805	)		(2,891	)
Long-term debt, net of current portion		6,928			13,232
Debt discount, net of accretion		(217	)		(348	)
Accrued end-of-term payment		646			353
Long-term debt, net of discount and current portion	$	7,357		$	13,237

Summary of Future Principal Payments Due

As of December 31, 2021, future principal payments due are as follows (in thousands):

Year Ending December 31,
2022	$	5,805
2023		6,341
2024		586
2025		—
2026		—
	$	12,732