Debt- Long term debt and unamortized discount balances (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Long-term debt, net of discount	$ 31,021	$ 30,137
Term loan | K2 HealthVentures LLC
Debt Instrument [Line Items]
Outstanding principal amount	30,000	30,000
Add: accreted liability of final payment fee	1,021	686
Less: unamortized debt discount, long term	0	(549)
Long-term debt, net of discount	$ 31,021	$ 30,137