Note 17 - Taxation - Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Tax effect of net operating losses carried forward	$ 9,243	$ 7,115
Bad debts provision	1,188	879
Valuation allowance	(9,875)	(6,636)
Total net deferred tax assets	$ 556	$ 1,358

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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