Note E - Property and Equipment - Components of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property and equipment, gross	$ 3,031	$ 3,006
Less: accumulated depreciation and amortization	(1,560)	(1,253)
Property and equipment, net	1,471	1,753
Laboratory Equipment [Member]
Property and equipment, gross	638	1,035
Furniture and Fixtures [Member]
Property and equipment, gross	119	655
Computer and Hardware [Member]
Property and equipment, gross	303	299
Leasehold Improvements [Member]
Property and equipment, gross	958	1,017
Finance Lease, Right-of-Use Assets [Member]
Property and equipment, gross	$ 1,013

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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