Note 3 - Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2020

Notes Tables

Foreign Currency Exchange Rates [Table Text Block]

	September 30, 2020	December 31, 2019
Balance sheet items, except for equity accounts	6.8101	6.9762

	Nine Months Ended September 30,
	2020		2019
Items in the statements of operations and comprehensive loss		6.9917		6.8541

	Three Months Ended September 30,
	2020		2019
Items in the statements of operations and comprehensive loss		6.9205		6.9872

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

			Fair value measurement at reporting date using
	As of September 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)		103	-		-		103

			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]

	Nine Months Ended September 30,				Three Months Ended September 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		18,004		30,134		8,706		11,554
--online advertising placements		5,679		9,131		2,429		3,725
--sales of effective sales lead information		-		253		-		224
--data and technical services		900		10		300		5
Ecommerce O2O advertising and marketing services		1,276		-		269		-
Technical solution services		1,245		-		600		-
Total revenues	$	27,104	$	39,528	$	12,304	$	15,508

	Nine Months Ended September 30,				Three Months Ended September 30,
	2020		2019		2020		2019
	US$('000)		US$('000)		US$('000)		US$('000)
	(Unaudited)		(Unaudited)		(Unaudited)		(Unaudited)
Revenue recognized over time		25,859		39,275		11,704		15,284
Revenue recognized at a point in time		1,245		253		600		224
Total revenues	$	27,104	$	39,528	$	12,304	$	15,508

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		49
Revenue recognized from beginning contract liability balances		(1,681	)
Advances received from customers related to unsatisfied performance obligations		2,448
Balance as of September 30, 2020 (Unaudited)		2,822