Note 9 - Property and Equipment, Net - Property and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Property and equipment, cost	$ 1,838	$ 2,119
Less: accumulated depreciation	(1,722)	(1,904)
Property and equipment, net	116	215
Vehicles [Member]
Property and equipment, cost	442	520
Office Equipment [Member]
Property and equipment, cost	834	846
Electronic Devices [Member]
Property and equipment, cost	562	571
Leasehold Improvements [Member]
Property and equipment, cost	$ 0	$ 182