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Stock Options (Tables)
3 Months Ended
Mar. 31, 2013
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
            Weighted     Weighted        
            average     average     Aggregate  
            exercise     remaining     intrinsic  
      Number     price     contractual life     value  
      of options     US$     (years)     $   
                           
  Outstanding and exercisable, December 31, 2012 and March 31, 2013   300,000     0.10     3.6     –  
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]
Number of Exercise price  
 options US$ Expiry date
     
300,000 0.10 November 21, 2016