Share-Based Compensation - Share based compensation expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share based compensation expense	$ 4,709	$ 5,055
Research and development
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share based compensation expense	1,680	2,011
General and administrative
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share based compensation expense	$ 3,029	$ 3,044