Notes Payable - Composition of debt (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Notes Payable.
Gross proceeds	$ 75,000
Contractual exit fee	2,003
Unamortized debt discount and issuance costs	(5,017)
Total note payable	71,986
Current portion of note payable	3,850
Non-current portion of note payable	68,136	$ 71,018
Total note payable	$ 71,986