Note 19 - Taxation - Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Tax effect of net operating losses carried forward	$ 9,345	$ 7,921
Bad debts provision	931	932
Valuation allowance	(8,754)	(7,303)
Total deferred tax assets	$ 1,522	$ 1,550