Property and Equipment, Net (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 667	$ 417
Less: Accumulated depreciation and amortization	(264)	(176)
Property, plant and equipment, net	403	241
Depreciation and amortization expense	103	103	$ 71
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	299	299
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	139	53
Computer equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	37	56
Software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	33	9
Lab equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 159	$ 0

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 aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

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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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