Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Leases
Operating lease right-of-use assets	$ 607	$ 750
Operating lease liabilities:
Current portion of operating lease liabilities, included in accrued liabilities	222	257
Operating lease liabilities, net of current portion	405	514
Total operating lease liabilities	$ 627	$ 771
Weighted average remaining lease term for operating leases (in years)	2 years 7 months 17 days	2 years 11 months 26 days
Weighted average discount rate for operating leases	6.71%	6.59%