Note 12 - Taxation - Deferred Tax Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Tax effect of net operating losses carried forward	$ 10,884	$ 10,745
Operating lease cost	0	1
Impairment on long-term investments	161	161
Impairment on intangible assets	571	571
Bad debts provision	1,298	1,226
Valuation allowance	(12,510)	(12,303)
Deferred tax assets, net	$ 404	$ 401