Note 3 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Foreign Currency Exchange Rates [Table Text Block]

	As of December 31,
	2019		2018
Balance sheet items, except for equity accounts		6.9762		6.8632

	Year Ended December 31,
	2019		2018
Items in the statements of operations and comprehensive loss		6.8985		6.6174

Property, Plant and Equipment, Useful Life [Table Text Block]

Leasehold improvements (years)		3
Vehicles (years)		5
Office equipment (years)	3	-	5
Electronic devices (years)		5

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

			Fair value measurement at reporting date using
	As of December 31, 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)
Warrant liabilities		107	-		-		107

			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		606	-		-		606

Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]

	Valuation techniques	Unobservable inputs	Value/Range of Inputs
		Remaining useful life (years)		7.75
Intangible assets	Multi-period Excess Earning	Discount rate		24%
		Contributory asset charge	8.9%	-	24%
		Base projection period (years)		5
Goodwill	Discounted Cash Flow	Discount rate		20%
		Terminal growth rate		3.50%

Disaggregation of Revenue [Table Text Block]

	Year Ended December 31,
	2019		2018
	US$(’000)		US$(’000)
Internet advertising and related data and technical service
--distribution of the right to use search engine marketing service		41,361		47,423
--online advertising placements		14,552		9,094
--sales of effective sales lead information		255		494
--Technical services		710		14
TV advertising service		-		121
Software sales		1,202		-
Total revenues	$	58,080	$	57,146

	Year Ended December 31,
	2019		2018
	US$(’000)		US$(’000)
Revenue recognized over time		55,913		56,652
Revenue recognized at a point in time		2,167		494
Total revenues	$	58,080	$	57,146

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

	Contract liabilities
	US$(’000)
Balance as of January 1, 2018		3,559
Exchange translation adjustment		(171	)
Revenue recognized from beginning contract liability balance		(3,338	)
Advances received from customers related to unsatisfied performance obligations		1,011
Balance as of December 31, 2018		1,061
Exchange translation adjustment		(17	)
Revenue recognized from beginning contract liability balance		(1,027	)
Advances received from customers related to unsatisfied performance obligations		1,989
Balance as of December 31, 2019		2,006

Lease, Cost [Table Text Block]

Operating cash flows used for operating leases (in thousands of U.S. dollars)	91
Right-of-use assets obtained in exchange for new lease liabilities (in thousands of U.S. dollars)	10
Weighted-average remaining lease term (years)	1.21
Weighted-average discount rate	6	%