Note 4 - Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2023

Notes Tables

Foreign Currency Exchange Rates [Table Text Block]

	June 30, 2023		December 31, 2022
Balance sheet items, except for equity accounts		7.2258		6.9646
	Six Months Ended June 30,
	2023		2022
Items in the statements of operations and comprehensive loss		6.9291		6.4835
	Three Months Ended June 30,
	2023		2022
Items in the statements of operations and comprehensive loss		6.9806		6.6144

Financing Receivable, Current, Allowance for Credit Loss [Table Text Block]

	Six Months Ended June 30,						Three Months Ended June 30,
	2023			2022			2023			2022
	US$(’000)			US$(’000)			US$(’000)			US$(’000)
	(Unaudited)			(Unaudited)			(Unaudited)			(Unaudited)
Credit loss for accounts receivable:
Balance as of beginning of the period		3,760			2,236			4,070			2,245
Cumulative-effect adjustment upon adoption of ASU No. 2016-13, Financial Instruments-Credit losses (Topic 326)		36			-			-			-
Provision for/(reverse of) credit loss during the period		40			330			(183	)		330
Written off during the period		-			-			-			-
Exchange translation adjustments		(121	)		(112	)		(172	)		(121	)
Balance as of end of the period		3,715			2,454			3,715			2,454

	Six Months Ended June 30,				Three Months Ended June 30,
	2023		2022		2023		2022
	US$(’000)		US$(’000)		US$(’000)		US$(’000)
	(Unaudited)		(Unaudited)		(Unaudited)		(Unaudited)
Credit loss for other current assets:
Balance as of beginning of the period		617		-		850		-
Cumulative-effect adjustment upon adoption of ASU No. 2016-13, Financial Instruments-Credit losses (Topic 326)		155		-		-		-
Provision for credit loss during the period		415		617		337		617
Written off during the period		-		-		-		-
Exchange translation adjustments		-		-		-		-
Balance as of end of the period		1,187		617		1,187		617

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

			Fair value measurement at reporting date using
	As of June 30, 2023		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 14)		13		-		-		13
			Fair value measurement at reporting date using
	As of December 31, 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)
Warrant liabilities (Note 14)		185		-		-		185

Disaggregation of Revenue [Table Text Block]

	Six Months Ended June 30,				Three Months Ended June 30,
	2023		2022		2023		2022
	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		15,804		12,369		9,643		5,775
--online advertising placements		282		2,228		152		1,170
Blockchain-based SaaS services		50		-		25		-
Total revenues	$	16,136	$	14,597	$	9,820	$	6,945

	Six Months Ended June 30,				Three Months Ended June 30,
	2023		2022		2023		2022
	US$(’000)		US$(’000)		US$(’000)		US$(’000)
	(Unaudited)		(Unaudited)		(Unaudited)		(Unaudited)
Revenue recognized over time		16,086		14,597		9,795		6,945
Revenue recognized at a point in time		50		-		25		-
Total revenues	$	16,136	$	14,597	$	9,820	$	6,945

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

	Contract liabilities
	US$(’000)
Balance as of January 1, 2023		739
Exchange translation adjustment		(21	)
Revenue recognized from beginning contract liability balances		(615	)
Advances received from customers related to unsatisfied performance obligations		809
Balance as of June 30, 2023 (Unaudited)		912

Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]

	Operating leases
	US$(’000)
	(Unaudited)
Six months ending December 31, 2023		193
Year ending December 31,
-2024		301
-2025		317
-2026		332
-2027		349
-2028		366
-thereafter		62
Total undiscounted lease payments		1,920
Less: imputed interest		(294	)
Total operating lease liabilities as of June 30, 2023		1,626
Including:
Operating lease liabilities		255
Operating lease liabilities-Non current		1,371
		1,626

Lease, Cost [Table Text Block]

	Six Months Ended June 30,				Three Months Ended June 30,
	2023		2022		2023		2022
	US$(’000)		US$(’000)		US$(’000)		US$(’000)
	(Unaudited)		(Unaudited)		(Unaudited)		(Unaudited)
Long-term operating lease contracts		261		193		128		103
Short-term operating lease contracts		14		29		8		14
Total	$	275	$	222	$	136	$	117

	Six Months Ended June 30,
	2023			2022
	US$(’000)			US$(’000)
	(Unaudited)			(Unaudited)
Operating cash flows used for operating leases (US$’000)		264			178
Right-of-use assets obtained in exchange for new lease liabilities (US$’000)		-			259
Weighted-average remaining lease term (years)		5.51			6.06
Weighted-average discount rate		6	%		6	%