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

12 Months Ended

Dec. 31, 2020

Due From Related Parties [Member]

Notes Tables

Schedule of Related Party Transactions [Table Text Block]

	As of December 31,
	2020		2019
	US$('000)		US$('000)
Zhongwang Xiyue Technology (Beijing) Co., Ltd. (“Zhongwang Xiyue”)		61		81
Guohua Shiji (Beijing) Communication Co., Ltd. (“Guohua Shiji”)		-		172
		61		253
Allowance for doubtful accounts		-		(172	)
Due from related parties, net		61		81