Balance Sheet Components (Schedule Of Property And Equipment, Net) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 4,858	$ 4,394
Less: Accumulated depreciation	(2,396)	(1,916)
Property and equipment, net	2,462	2,478
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,519	2,805
Laboratory Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,019	878
Furniture, Fixtures, And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	932	517
Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	202	128
Construction In Progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 186	$ 66

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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