Debt - Interest Expense (Details) - Term loan - K2 HealthVentures LLC - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Components of interest expense
Interest paid or accrued	$ 892	$ 891	$ 2,666	$ 2,569
Non-cash amortization of debt discount (including warrants)	0	55	38	158
Non-cash accrued back-end fee	105	125	335	359
Interest expense	$ 997	$ 1,071	$ 3,039	$ 3,086