Note 16 - Taxation - Deferred Tax Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Tax effect of net operating losses carried forward	$ 9,671	$ 9,345
Bad debts provision	929	931
Valuation allowance	(9,069)	(8,754)
Total deferred tax assets	$ 1,531	$ 1,522