Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Property and equipment
Property and Equipment, Gross	$ 180	$ 3,205
Less accumulated depreciation and amortization	(164)	(3,141)
Property and equipment, net	16	64
Depreciation	40	242
Furniture and Fixtures
Property and equipment
Property and Equipment, Gross	83	2,342
Computer hardware and software
Property and equipment
Property and Equipment, Gross	78	782
Leasehold improvements
Property and equipment
Property and Equipment, Gross	$ 19	$ 81

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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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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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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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.

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