Note 9 - Long-term Investments (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Other Investments Not Readily Marketable [Table Text Block]

	Amount
	US$(’000)
Balance as of January 1, 2021		67
Exchange translation adjustment		1
Cash investments during the year		2,250
Disposed during the year		(38	)
Balance as of December 31, 2021		2,280
Exchange translation adjustment		(88	)
Impairment losses provided during the year		(596	)
Balance as of December 31, 2022		1,596