Long-term Debt (Tables)

3 Months Ended

Mar. 31, 2022

Debt Disclosure [Abstract]

Schedule of Long-term debt and unamortized debt discount balances

The SVB Loans and unamortized discount balances as of March 31, 2022 and December 31, 2021 are shown below (in thousands):

	March 31,			December 31,
	2022			2021
Long-term debt	$	10,500		$	10,500
Less: issuance costs		(559	)		(596	)
Total long-term debt, net of issuance costs		9,941			9,904

Summary of Future Minimum Principal Payments on Long-term Debt

Future minimum payments of outstanding principal and interest under the 2021 SVB Loan are as follows:

As of March 31, 2022
2022 (nine months remaining)	$	340
2023		452
2024		2,194
2025		5,523
2026 and thereafter		3,976
Total future minimum payments		12,486
Less: interest, Final Payment fee		(1,986	)
Long-term debt		10,500
Less: issuance costs		(559	)
Long-term debt, net of issuance costs	$	9,941