Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Leases
Operating lease right-of-use assets	$ 1,081	$ 1,047
Operating lease liabilities:
Current portion of operating lease liabilities, included in accrued liabilities	390	641
Operating lease liabilities, net of current portion	755	492
Total operating lease liabilities	$ 1,145	$ 1,133
Weighted average remaining lease term for operating leases (in years)	3 years 6 months 21 days	2 years 1 month 13 days
Weighted average discount rate for operating leases	6.43%	5.93%