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Note 4 - Related Party Transactions (Tables)
3 Months Ended
Mar. 31, 2017
Notes Tables  
Schedule of Related Party Transactions [Table Text Block]
    December 31,     March 31,  
   
2016
    2017  
   
(Audited)
    (Unaudited)  
                 
Due to Dr. Lan Huang    
210
     
7