Notes Payable - Composition of debt (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Notes Payable
Gross proceeds	$ 75,000
Contractual exit fee	2,003
Unamortized debt discount and issuance costs	(5,985)
Total	$ 71,018	$ 40,809

Amount of unamortized debt discount (premium) and debt issuance costs.

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