Note 4 - Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Foreign Currency Exchange Rates [Table Text Block]

	September 30, 2022		December 31, 2021
Balance sheet items, except for equity accounts		7.0998		6.3757
	Nine Months Ended September 30,
	2022		2021
Items in the statements of operations and comprehensive loss		6.6068		6.4714
	Three Months Ended September 30,
	2022		2021
Items in the statements of operations and comprehensive loss		6.8287		6.4707

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

			Fair value measurement at reporting date using
	As of September 30, 2022		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)		1,280		-		-		1,280

			Fair value measurement at reporting date using
	As of December 31, 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)
Warrant liabilities (Note 16)		2,039		-		-		2,039

Disaggregation of Revenue [Table Text Block]

	Nine Months Ended September 30,				Three Months Ended September 30,
	2022		2021		2022		2021
	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		18,605		28,613		6,236		9,648
--online advertising placements		3,208		5,720		980		2,125
Ecommerce O2O advertising and marketing services		-		514		-		127
Total revenues	$	21,813	$	34,847	$	7,216	$	11,900

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

	Contract liabilities
	US$(’000)
Balance as of January 1, 2022		1,245
Exchange translation adjustment		(127	)
Revenue recognized from beginning contract liability balances		(1,039	)
Advances received from customers related to unsatisfied performance obligations		872
Balance as of September 30, 2022(Unaudited)	$	951

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

	Operating leases
	US$(’000)
	(Unaudited)
Three months ending December 31, 2022		119
Year ending December 31,
-2023		448
-2024		307
-2025		322
-2026		338
-2027		355
-thereafter		436
Total undiscounted lease payments		2,325
Less: imputed interest		(379	)
Total operating lease liabilities as of September 30, 2022	$	1,946
Including:
Operating lease liabilities		389
Operating lease liabilities-Non current		1,557
	$	1,946

Lease, Cost [Table Text Block]

	Nine Months Ended September 30,				Three Months Ended September 30,
	2022		2021		2022		2021
	US$(’000)		US$(’000)		US$(’000)		US$(’000)
	(Unaudited)		(Unaudited)		(Unaudited)		(Unaudited)
Long-term operating lease contracts		329		212		136		88
Short-term operating lease contracts		39		45		10		15
Total	$	368	$	257	$	146	$	103

	Nine Months Ended September 30, 2022
	(Unaudited)
Operating cash flows used for operating leases (US$’000)		300
Right-of-use assets obtained in exchange for new lease liabilities (US$’000)		266
Weighted-average remaining lease term (years)		5.87
Weighted-average discount rate		6	%