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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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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Property and Equipment, Net - Components of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 16,185				$ 20,456
Less: Accumulated depreciation and amortization	(5,679)				(4,588)
Property and equipment, net	10,506	$ 10,569	$ 11,054	$ 11,657	15,868	$ 16,129	$ 16,327	$ 16,474
Computer equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	575				577
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	305				312
Laboratory equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	7,898				7,442
Office equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	339				400
Building related to facility lease obligation
Property, Plant and Equipment [Line Items]
Property and equipment, gross	0				10,557
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 7,068				$ 1,168