Taxation (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Schedule of (Loss) profit before income taxes

	For the years ended December 31,
	2016		2017			2018
	$		$			$
Non-PRC		2,777		(7,138	)		(43,630	)
PRC		5,899		(3,310	)		(25,097	)
		8,676		(10,448	)		(68,727	)

Schedule of income tax expense

	For the years ended December 31,
	2016			2017			2018
	$			$			$
Current		(2,257	)		(1,382	)		(52	)
Deferred		(987	)		(960	)		(279	)
		(3,244	)		(2,342	)		(331	)

Schedule of reconciliation of tax computed by applying the statutory income tax rate

	For the years ended December 31,
	2016			2017			2018
	$			$			$
Profit (loss) before income taxes		8,676			(10,448	)		(68,727	)
Income tax (expense) income computed at the statutory income tax rate at 25%		(2,169	)		2,612			17,182
Non-deductible expenses		(214	)		(2,654	)		(7,393	)
Non-taxation income		414			68			-
Preferential rate		488			(237	)		(790	)
Current and deferred tax rate differences		310			55			238
Foreign rate differences		561			(427	)		(5,670	)
Change of valuation allowance		(2,557	)		(1,294	)		(4,202	)
Statutory income		-			(215	)		(1,471	)
R&D super deduction		-			-			305
Deferred tax		6			-			-
Interest expense		(83	)		(250	)		-
Income tax expense		(3,244	)		(2,342	)		(331	)

Schedule of significant components of deferred taxes

	As of December 31,
	2017			2018
	$			$
Deferred tax assets
Inventories provision		229			100
Accrued salary and welfare payable		129			201
Property and equipment		2			3
Tax losses		10,461			317
Valuation allowance		(10,298	)		18
Total deferred tax assets		523			639
Deferred tax liabilities
Intangible assets		1,551			1,688
Deferred cost of revenue		504			765
Total deferred tax liabilities		2,055			2,453

Schedule of roll-forward of unrecognized tax benefits

	For the years ended December 31,
	2016			2017		2018
	$			$		$
Balance at beginning of year		2,077			1,873		2,016
Reversal based on tax positions related to prior years		(1,039	)		-		-
Additions based on tax positions related to the current year		968			28		-
Foreign currency translation difference		(133	)		115		4
Balance at end of year		1,873			2,016		2,020