Property And Equipment, Net (Schedule Of Property And Equipment, Net) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Equipment, gross	$ 3,165	$ 3,051
Less: Accumulated depreciation	(992)	(481)
Equipment, net	2,173	2,570
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Equipment, gross	2,248	2,257
Laboratory Equipment [Member]
Property, Plant and Equipment [Line Items]
Equipment, gross	518	484
Furniture, Fixtures, And Equipment [Member]
Property, Plant and Equipment [Line Items]
Equipment, gross	248	$ 231
Software [Member]
Property, Plant and Equipment [Line Items]
Equipment, gross	$ 33

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.

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