Note 3 - Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

Foreign Currency Exchange Rates [Table Text Block]

	June 30, 2021		December 31, 2020
Balance sheet items, except for equity accounts		6.4601		6.5249

	Six Months Ended June 30,
	2021		2020
Items in the statements of operations and comprehensive loss		6.4718		7.0319

	Three Months Ended June 30,
	2021		2020
Items in the statements of operations and comprehensive loss		6.4596		7.0839

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

			Fair value measurement at reporting date using
	As of June 30, 2021		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 16)		6,597		-		-		6,597

			Fair value measurement at reporting date using
	As of December 31, 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)
Warrant liabilities (Note 16)		1,505		-		-		1,505

Disaggregation of Revenue [Table Text Block]

	Six Months Ended June 30,				Three Months Ended June 30,
	2021		2020		2021		2020
	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		18,965		9,298		12,100		7,310
--online advertising placements		3,595		3,250		2,193		2,302
--data and technical services		-		600		-		300
Ecommerce O2O advertising and marketing services		387		1,007		258		504
Technical solution services		-		645		-		-
Total revenues	$	22,947	$	14,800	$	14,551	$	10,416

	Six Months Ended June 30,				Three Months Ended June 30,
	2021		2020		2021		2020
	US$(’000)		US$(’000)		US$(’000)		US$(’000)
	(Unaudited)		(Unaudited)		(Unaudited)		(Unaudited)
Revenue recognized over time		22,947		14,155		14,551		10,416
Revenue recognized at a point in time		-		645		-		-
Total revenues	$	22,947	$	14,800	$	14,551	$	10,416

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

	Contract liabilities
	US$(’000)
Balance as of January 1, 2021		1,436
Exchange translation adjustment		14
Revenue recognized from beginning contract liability balances		(1,245	)
Advances received from customers related to unsatisfied performance obligations		1,334
Balance as of June 30, 2021 (Unaudited)	$	1,539

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

	Operating leases
	US$(’000)
	(Unaudited)
Six months ending December 31, 2021		147
Year ending December 31,
-2022		316
-2023		331
-2024		337
-2025		354
-2026		372
-thereafter		869
Total undiscounted lease payments		2,726
Less: imputed interest		(560	)
Total operating lease liabilities as of June 30, 2021	$	2,166
Including:
Operating lease liabilities		187
Operating lease liabilities-Non current		1,979
	$	2,166

Lease, Cost [Table Text Block]

	Six Months Ended June 30,				Three Months Ended June 30,
	2021		2020		2021		2020
	US$(’000)		US$(’000)		US$(’000)		US$(’000)
	(Unaudited)		(Unaudited)		(Unaudited)		(Unaudited)
Long-term operating lease contracts		124		5		87		2
Short-term operating lease contracts		30		79		15		35
Total	$	154	$	84	$	102	$	37

	Six Months Ended June 30, 2021
	(Unaudited)
Operating cash flows used for operating leases (US$’000)		63
Right-of-use assets obtained in exchange for new lease liabilities (US$’000)		2,179
Weighted-average remaining lease term (years)		7.63
Weighted-average discount rate		6	%