Debt (Tables)

6 Months Ended

Jun. 30, 2023

Debt

Schedule of long term debt and unamortized discount balances

	June 30, 2023		December 31, 2022
	(in thousands)
Outstanding principal amount	$	30,000	$	30,000
Add: accreted liability of final payment fee		433		198
Less: unamortized debt discount, long term		(661)		(763)
Long-term debt, net of discount	$	29,772	$	29,435

Schedule of interest expense

	For the Three Months Ended June 30, 2023		For the Six Months Ended June 30, 2023
	(in thousands)
Interest paid or accrued	$	862	$	1,678
Non-cash amortization of debt discount (including warrants)		53		103
Non-cash accrued back-end fee		119		234
	$	1,034	$	2,015

Schedule of future principal payments

	For the Three Months Ended June 30, 2023		For the Six Months Ended June 30, 2023
	(in thousands)
Interest paid or accrued	$	862	$	1,678
Non-cash amortization of debt discount (including warrants)		53		103
Non-cash accrued back-end fee		119		234
	$	1,034	$	2,015