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Note 4 - Cash and cash equivalent
3 Months Ended
Mar. 31, 2012
Cash and Cash Equivalents Disclosure [Text Block]
4.  
Cash and cash equivalent

   
March 31,
2012
   
December 31,
2011
 
   
US$(’000)
   
US$(’000)
 
   
(Unaudited)
       
             
Cash
    497       181  
Bank deposit
    8,467       10,514  
      8,964       10,695