Debt (Tables)

9 Months Ended

Sep. 30, 2024

Debt

Schedule of long term debt and unamortized discount balances

	September 30, 2024		December 31, 2023
Outstanding principal amount	$	30,000	$	30,000
Add: accreted liability of final payment fee		1,021		686
Less: unamortized debt discount, long-term		—		(549)
Long-term debt, net of discount	$	31,021	$	30,137

Schedule of interest expense

	Three months ended September 30,				Nine months ended September 30,
	2024		2023		2024			2023
Interest paid or accrued	$	892	$	891	$	2,666	$	2,569
Non-cash amortization of debt discount (including warrants)		—		55		38		158
Non-cash accrued back-end fee		105		125		335		359
	$	997	$	1,071	$	3,039	$	3,086

Schedule of future principal payments

	Three months ended September 30,				Nine months ended September 30,
	2024		2023		2024			2023
Interest paid or accrued	$	892	$	891	$	2,666	$	2,569
Non-cash amortization of debt discount (including warrants)		—		55		38		158
Non-cash accrued back-end fee		105		125		335		359
	$	997	$	1,071	$	3,039	$	3,086