Discontinued Operations - Schedule of discontinued operations (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on disposal of discontinued operations	$ 15,752
Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	50
Research and development	4,439
General and administrative	4,033
Total cost and expenses	8,472
Loss from operations	(8,422)
Gain on disposal of discontinued operations	15,752
Net gain from discontinued operations	7,330
Grants | Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	$ 50