Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Property, plant and equipment
Property and equipment, gross	$ 427	$ 429
Less: accumulated depreciation and amortization	(424)	(420)
Property and equipment, net	3	9
Leasehold improvements
Property, plant and equipment
Property and equipment, gross	$ 6	6
Leasehold improvements \| Minimum
Property, plant and equipment
Lives in years	2 years
Leasehold improvements \| Maximum
Property, plant and equipment
Lives in years	5 years
Office equipment and furniture
Property, plant and equipment
Property and equipment, gross	$ 420	$ 423
Office equipment and furniture \| Minimum
Property, plant and equipment
Lives in years	3 years
Office equipment and furniture \| Maximum
Property, plant and equipment
Lives in years	5 years

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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