Note 3 - Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Foreign Currency Exchange Rates [Table Text Block]

	June 30, 2020		December 31, 2019
Balance sheet items, except for equity accounts		7.0795		6.9762

	Six Months Ended June 30,
	2020		2019
Items in the statements of operations and comprehensive loss		7.0319		6.7808

	Three Months Ended June 30,
	2020		2019
Items in the statements of operations and comprehensive loss		7.0839		6.8137

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

			Fair value measurement at reporting date using
	As of June 30, 2020		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 17)		39		-		-		39

			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 (Note 17)		107		-		-		107

Disaggregation of Revenue [Table Text Block]

	Six Months Ended June 30,				Three Months Ended June 30,
	2020		2019		2020		2019
	US$('000)		US$('000)		US$('000)		US$('000)
	(Unaudited)		(Unaudited)		(Unaudited)		(Unaudited)
Internet advertising and related services
--distribution of the right to use search engine marketing service		9,298		18,580		7,310		11,855
--online advertising placements		3,250		5,406		2,302		3,575
--sales of effective sales lead information		-		29		-		23
--data and technical services		600		5		300		-
Ecommerce O2O advertising and marketing services		1,007		-		504		-
Technical solution services		645		-		-		-
Total revenues	$	14,800	$	24,020	$	10,416	$	15,453

	Six Months Ended June 30,				Three Months Ended June 30,
	2020		2019		2020		2019
	US$('000)		US$('000)		US$('000)		US$('000)
	(Unaudited)		(Unaudited)		(Unaudited)		(Unaudited)
Revenue recognized over time		14,155		23,991		10,416		15,430
Revenue recognized at a point in time		645		29		-		23
Total revenues	$	14,800	$	24,020	$	10,416	$	15,453

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

	Contract liabilities
	US$('000)
Balance as of January 1, 2020		2,006
Exchange translation adjustment		(29	)
Revenue recognized from beginning contract liability balances		(1,306	)
Advances received from customers related to unsatisfied performance obligations		948
Balance as of June 30, 2020 (Unaudited)		1,619