Note 6 - Due From Related Parties, Net (Tables)

12 Months Ended

Dec. 31, 2019

Due From Related Parties [Member]

Notes Tables

Schedule of Related Party Transactions [Table Text Block]

	As of December 31,
	2019			2018
	US$(’000)			US$(’000)
Zhongwang Xiyue Technology (Beijing) Co., Ltd. (“Zhongwang Xiyue”)		81			-
Guohua Shiji (Beijing) Communication Co., Ltd. (“Guohua Shiji”)		172			201
An officer of the Company		-			200
		253			401
Allowance for doubtful accounts		(172	)		(175	)
Due from related parties, net		81			226