Property and Equipment, net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Property and Equipment
Property and equipment, gross	$ 2,517	$ 2,328
Less accumulated depreciation and amortization	2,179	2,074
Property and equipment, net	338	254
Depreciation expense	105	63	$ 164
Computer equipment
Property and Equipment
Property and equipment, gross	249	249
Software
Property and Equipment
Property and equipment, gross	1,284	1,284
Furniture, fixtures and other
Property and Equipment
Property and equipment, gross	606	606
Leasehold improvements
Property and Equipment
Property and equipment, gross	189	189
Assets in progress
Property and Equipment
Property and equipment, gross	$ 189	$ 0