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Warrants (Tables)
3 Months Ended
Apr. 30, 2015
Schedule of Stockholders' Equity Note, Warrants or Rights, Activity [Table Text Block]
          Weighted  
    Number of whole share     average exercise  
    purchase warrants     price per share  
Outstanding, January 31, 2015   59,566,708   $ 0.024  
Issued   5,882,353     0.005  
Expired   (6,210,311 )   0.041  
Exercised   -     -  
Outstanding, April 30, 2015   59,238,750   $ 0.020  
Exercisable, April 30, 2015   59,238,750   $ 0.020