Property And Equipment, Net (Schedule Of Property And Equipment, Net) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Equipment, gross	$ 3,277	$ 3,165
Less: Accumulated depreciation	(1,292)	(992)
Equipment, net	1,985	2,173
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Equipment, gross	2,248	2,248
Laboratory Equipment [Member]
Property, Plant and Equipment [Line Items]
Equipment, gross	589	518
Furniture, Fixtures, And Equipment [Member]
Property, Plant and Equipment [Line Items]
Equipment, gross	256	248
Software [Member]
Property, Plant and Equipment [Line Items]
Equipment, gross	118	118
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Equipment, gross	$ 66	$ 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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