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Note 7 - Due From Related Parties - Due From Related Parties (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Due from related parties $ 15 $ 90
Zhong Wang Xi Yue Technology (Beijing) Co. Ltd [Member]    
Due from related parties, gross 1 62
Guangzhou Gong Xiang Technology Co. [Member]    
Due from related parties, gross $ 14 $ 28