Accounts payable and accrued liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Accounts payable and accrued liabilities
Trade accounts payable	$ 1,932	$ 3,981
Accrued compensation and benefits payable	2,501	712
Accrued research and development liabilities	631	894
Accrued commercial liabilities	1,935	710
Accrued legal liabilities	76	131
Other accrued liabilities	480	252
Total	$ 7,555	$ 6,680