Note 14 - Taxation - Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Tax effect of net operating losses carried forward	$ 12,130	$ 10,123
Operating lease cost	23	0
Bad debts provision	559	728
Valuation allowance	(12,271)	(10,245)
Total net deferred tax assets	$ 441	$ 606