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Note 5 - Property and Equipment, Net - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Property, plant, and equipment, gross	$ 796	$ 793
Less: accumulated depreciation	(575)	(554)
Property and equipment, net	221	239
Office Equipment [Member]
Property, plant, and equipment, gross	319	317
Laboratory Equipment [Member]
Property, plant, and equipment, gross	111	111
Automobiles [Member]
Property, plant, and equipment, gross	95	94
Leasehold Improvements [Member]
Property, plant, and equipment, gross	$ 271	$ 271

X

- Definition

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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