Other Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Other liabilities, current
Accrued compensation and benefits	$ 1,385	$ 3,000
Accrued directors fees	56	38
Operating lease liability	18	25
Total	1,459	3,063
Other liabilities, non-current
Operating lease liability	$ 0	$ 8