Note 6 - Accounts receivable, net (Tables)

6 Months Ended

Jun. 30, 2013

Accounts Receivable Disclosure [Abstract]

Schedule Of Accounts Receivable [Table Text Block]

	June 30, 2013			December 31, 2012
	US$(’000)			US$(’000)
	(Unaudited)
Accounts receivable		14,164			12,116
Allowance for doubtful debts		(3,704	)		(3,630	)
Accounts receivable, net		10,460			8,486