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Note 2 - Summary of Significant Accounting Policies - Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Gross property and equipment	$ 658	$ 401
Less: accumulated depreciation and amortization	(457)	(326)
Net property and equipment	201	75
Equipment [Member]
Gross property and equipment	138	89
Leasehold Improvements [Member]
Gross property and equipment	197	135
Furniture and Fixtures [Member]
Gross property and equipment	199	121
Property, Plant and Equipment, Other Types [Member]
Gross property and equipment	$ 124	$ 56

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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