Note 10 - Property and Equipment, Net - Property and Equipment, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Property and equipment, gross	$ 2,432	$ 2,708
Less: accumulated depreciation	(2,165)	(2,333)
Property and equipment, net	267	375
Vehicles [Member]
Property and equipment, gross	838	933
Office Equipment [Member]
Property and equipment, gross	848	944
Electronic Devices [Member]
Property and equipment, gross	565	629
Leasehold Improvements [Member]
Property and equipment, gross	$ 181	$ 202

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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