Note 16 - Taxation - Deferred Tax Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Tax effect of net operating losses carried forward	$ 9,944	$ 9,345
Bad debts provision	946	931
Valuation allowance	(9,446)	(8,754)
Total deferred tax assets	$ 1,444	$ 1,522

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b),(c)
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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the allowance for doubtful accounts.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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