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.

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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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No definition available.

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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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Property and Equipment, Net - Summary (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Gross property and equipment	$ 3,437		$ 2,805
Less: Accumulated depreciation	(1,154)		(1,029)
Property and equipment, net	2,283		1,776
Depreciation	126	$ 44
Computer equipment
Property, Plant and Equipment [Line Items]
Gross property and equipment	201		201
Office and other equipment
Property, Plant and Equipment [Line Items]
Gross property and equipment	329		329
Laboratory equipment
Property, Plant and Equipment [Line Items]
Gross property and equipment	2,436		2,212
Leasehold improvements
Property, Plant and Equipment [Line Items]
Gross property and equipment	63		63
Assets not placed in service
Property, Plant and Equipment [Line Items]
Gross property and equipment	$ 408		$ 0