Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Leases
Operating lease right-of-use assets	$ 898	$ 990
Operating lease liabilities:
Current portion of operating lease liabilities, included in accrued liabilities	375	383
Operating lease liabilities, net of current portion	574	665
Total operating lease liabilities	$ 949	$ 1,048
Weighted average remaining lease term for operating leases (in years)	3 years 3 months	3 years 4 months 20 days
Weighted average discount rate for operating leases	6.52%	6.47%