Going Concern (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Going Concern
Accumulated deficit	$ (309,318)	$ (290,969)
Cash and cash equivalents	$ 23,177	$ 41,786

Amount of accumulated undistributed earnings (deficit).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant