Note 17 - Taxation (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule Of Taxes Payable [Table Text Block]

	As of December 31,
	2018		2017
	US$(’000)		US$(’000)
PRC turnover tax and surcharge payable		1,215		1,295
PRC enterprise income tax payable		1,782		1,873
Taxes payable		2,997		3,168

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	Year Ended December 31,
	2018			2017
	US$(’000)			US$(’000)
Pre-tax loss		(13,363	)		(9,760	)
U.S. federal rate		21	%		35	%
Income tax benefit computed at U.S. federal rate		2,806			3,416
Reconciling items:
Rate differential for PRC earnings		561			(724	)
Preferential tax treatment effect		(231	)		(238	)
Tax effect on non-taxable change in fair value of warrant liabilities		350			-
Tax effect on non-deductible impairment on goodwill		(1,303	)		-
Tax effect on change of net operating loss treatment		1,130			-
Tax effect on enactment of new tax rate		-			(1,859	)
Tax effect on toll charge income from the Act		-			(492	)
Tax effect on adjustment to provisional amount of toll charge income from the Act		(96	)		-
Provision/reverse of valuation allowance on deferred tax assets		(3,504	)		90
Expired tax attribute carryforwards		(365	)		(524	)
Tax effect on other non-deductible expenses/non-taxable income		(112	)		80
Effective income tax expense		(764	)		(251	)

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	Year Ended December 31,
	2018			2017
	US$(’000)			US$(’000)
Current-PRC		-			(1	)
Deferred-PRC		(764	)		(250	)
Income tax expense		(764	)		(251	)

Schedule Of Deferred Tax Assets [Table Text Block]

	As of December 31,
	2018			2017
	US$(’000)			US$(’000)
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