Note 4 - Accounts Receivable, Net (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Accounts Receivable [Table Text Block]

	As of December 31,
	2018			2017
	US$(’000)			US$(’000)
Accounts receivable		9,752			10,008
Allowance for doubtful accounts		(3,393	)		(2,793	)
Accounts receivable, net		6,359			7,215