Note 17 - Taxation (Details) - Deferred Tax Assets - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Deferred Tax Assets [Abstract]
Tax effect of net operating losses carried forward	$ 8,300	$ 7,921
Bad debts provision	937	932
Valuation allowance	(7,681)	(7,303)
Total deferred tax assets	$ 1,556	$ 1,550