Note 3 - Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

Foreign Currency Exchange Rates [Table Text Block]

	September 30, 2019		December 31, 2018
Balance sheet items, except for equity accounts		7.0729		6.8632

	Nine Months Ended September 30,
		2019	2018
Items in the statements of operations and comprehensive loss		6.8541	6.5196

	Three Months Ended September 30,
		2019	2018
Items in the statements of operations and comprehensive loss		6.9872	6.7956

Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]

			Fair value measurement at reporting date using
	As of September 30, 2019		Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1)	Significant Other Observable Inputs (Level 2)	Significant Unobservable Inputs (Level 3)
	US$(’000)		US$(’000)	US$(’000)	US$(’000)
		(Unaudited)
Warrant liabilities (Note 18)		255	-	-		255

			Fair value measurement at reporting date using
	As of December 31, 2018		Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1)	Significant Other Observable Inputs (Level 2)	Significant Unobservable Inputs (Level 3)
	US$(’000)		US$(’000)	US$(’000)	US$(’000)
Warrant liabilities (Note 18)		606	-	-		606

Disaggregation of Revenue [Table Text Block]

	Nine Months Ended September 30,				Three Months Ended September 30,
	2019		2018		2019		2018
	US$(’000)		US$(’000)		US$(’000)		US$(’000)
	(Unaudited)		(Unaudited)		(Unaudited)		(Unaudited)
Internet advertising and data service
--distribution of the right to use search engine marketing service		30,134		40,380		11,554		14,532
--online advertising placements		9,131		6,897		3,725		2,346
--sales of effective sales lead information		253		444		224		161
TV advertising service		-		91		-		-
Others		10		10		5		3
Total revenues	$	39,528	$	47,822	$	15,508	$	17,042

	Nine Months Ended September 30,				Three Months Ended September 30,
	2019		2018		2019		2018
	US$(’000)		US$(’000)		US$(’000)		US$(’000)
	(Unaudited)		(Unaudited)		(Unaudited)		(Unaudited)
Revenue recognized over time		39,275		47,378		15,284		16,881
Revenue recognized at a point in time		253		444		224		161
Total revenues	$	39,528	$	47,822	$	15,508	$	17,042

Contract with Customer, Asset and Liability [Table Text Block]

	Contract liabilities
	US$(’000)
Balance as of January 1, 2019		1,061
Exchange translation adjustment		(31	)
Revenue recognized from beginning contract liability balances		(653	)
Advances received from customers related to unsatisfied performance obligations		4,684
Balance as of September 30, 2019 (Unaudited)		5,061
Including:
--advance from customers		5,052
--advance from a customer, related		9
Total contract liabilities as of September 30, 2019 (Unaudited)		5,061

Lease, Cost [Table Text Block]

Operating cash flows used for operating leases (in thousands of U.S. dollars)	92
Right-of-use assets obtained in exchange for new lease liabilities (in thousands of U.S. dollars)	10
Weighted-average remaining lease term (years)	1.46
Weighted-average discount rate	6	%