| STOCK PURCHASE OPTIONS AND WARRANTS [Text Block] | 
        
          | 7. | 
          
             STOCK PURCHASE OPTIONS AND WARRANTS 
           | 
         
     
     
    
    The following table summarizes the options outstanding under the Stock Option Plan: 
              
            
              |   | 
                | 
                | 
              Number of options | 
                | 
             
            
              |   | 
                | 
                | 
              2017 | 
                | 
                | 
              2016 | 
                | 
             
            
              |   | 
                | 
                | 
                | 
                | 
                | 
                | 
                | 
             
            
              |   | 
              Outstanding, beginning of year | 
                | 
              
                4,625,000
               | 
                | 
                | 
              
                4,750,000
               | 
                | 
             
            
              |   | 
              Granted | 
                | 
              
                2,366,667
               | 
                | 
                | 
              
                375,000
               | 
                | 
             
            
              |   | 
              Expired | 
                | 
              
                (500,000
               | 
              ) | 
                | 
              
                (100,000
               | 
              ) | 
             
            
              |   | 
              Exercised | 
                | 
              
                -
               | 
                | 
                | 
              
                -
               | 
                | 
             
            
              |   | 
              Forfeited | 
                | 
              
                -
               | 
                | 
                | 
              
                -
               | 
                | 
             
            
              |   | 
              Cancelled | 
                | 
              
                (1,625,000
               | 
              ) | 
                | 
              
                (400,000
               | 
              ) | 
             
            
              |   | 
              Outstanding, end of year | 
                | 
              
                4,866,667
               | 
                | 
                | 
              
                4,625,000
               | 
                | 
             
            
              |   | 
              Exercisable, end of year | 
                | 
              
                4,419,445
               | 
                | 
                | 
              
                4,625,000
               | 
                | 
             
         
     
              
            
              |   | 
              Year 2017 | 
                | 
                | 
                | 
                | 
              Number of | 
                | 
             
            
              |   | 
                | 
                | 
              Exercise price | 
                | 
                | 
              options | 
                | 
             
            
              |   | 
              Expiry date | 
                | 
              per share | 
                | 
                | 
              2017 | 
                | 
             
            
              |   | 
              May 8, 2019 | 
                | 
              
                CDN$0.35
                ($0.32)
               | 
                | 
                | 
              
                600,000
               | 
                | 
             
            
              |   | 
              September 10, 2019 | 
                | 
              
                CDN$0.40
                ($0.36)
               | 
                | 
                | 
              
                550,000
               | 
                | 
             
            
              |   | 
              October 19, 2020 | 
                | 
              
                CDN$0.38
                ($0.29)
               | 
                | 
                | 
              
                1,150,000
               | 
                | 
             
            
              |   | 
              October 19, 2021 | 
                | 
              
                CDN$0.11
                ($0.08)
               | 
                | 
                | 
              
                350,000
               | 
                | 
             
            
              |   | 
              March 22, 2022 | 
                | 
              
                CDN$0.13
                ($0.10)
               | 
                | 
                | 
              
                1,150,000
               | 
                | 
             
            
              |   | 
              March 25, 2022 | 
                | 
              
                CDN$0.20
                ($0.15)
               | 
                | 
                | 
              
                970,000
               | 
                | 
             
            
              |   | 
              August 16, 2022 | 
                | 
              
                CDN$0.20
                ($0.16)
               | 
                | 
                | 
              
                96,667
               | 
                | 
             
            
              |   | 
              TOTAL | 
                | 
                | 
                | 
                | 
              
                4,866,667
               | 
                | 
             
            
              |   | 
                | 
                | 
                | 
                | 
                | 
                | 
                | 
             
            
              |   | 
              Weighted average exercise price: | 
                | 
                | 
                | 
                | 
                | 
                | 
             
            
              |   | 
              Options outstanding at end of year | 
                | 
              
                CDN$0.26
               | 
                | 
                | 
              
                ($0.21
               | 
              ) | 
             
            
              |   | 
              Options granted during the year | 
                | 
              
                CDN$0.15
               | 
                | 
                | 
              
                ($0.13
               | 
              ) | 
             
            
              |   | 
              Options exercised during the year | 
                | 
              
                -
               | 
                | 
                | 
              
                -
               | 
                | 
             
            
              |   | 
              Options expired during the year | 
                | 
              
                CDN$0.35
               | 
                | 
                | 
              
                ($0.31
               | 
              ) | 
             
            
              |   | 
              Options cancelled during the year | 
                | 
              
                CDN$0.37
               | 
                | 
                | 
              
                ($0.32
               | 
              ) | 
             
         
     
              
            
              |   | 
              
                Year 2016
               | 
                | 
                | 
                | 
                | 
              Number of | 
                | 
             
            
              |   | 
                | 
                | 
              Exercise price | 
                | 
                | 
              options | 
                | 
             
            
              |   | 
              
                Expiry date
               | 
                | 
              per share | 
                | 
                | 
              2016 | 
                | 
             
            
              |   | 
              March 18, 2017 | 
                | 
              
                CDN$0.35
                ($0.31)
               | 
                | 
                | 
              
                350,000
               | 
                | 
             
            
              |   | 
              August 5, 2017 | 
                | 
              
                CDN$0.35
                ($0.32)
               | 
                | 
                | 
              
                150,000
               | 
                | 
             
            
              |   | 
              May 8, 2019 | 
                | 
              
                CDN$0.35
                ($0.32)
               | 
                | 
                | 
              
                600,000
               | 
                | 
             
            
              |   | 
              September 10, 2019 | 
                | 
              
                CDN$0.40
                ($0.36)
               | 
                | 
                | 
              
                1,625,000
               | 
                | 
             
            
              |   | 
              October 19, 2020 | 
                | 
              
                CDN$0.38
                ($0.29)
               | 
                | 
                | 
              
                1,525,000
               | 
                | 
             
            
              |   | 
              August 17, 2021 | 
                | 
              
                CDN$0.14
                ($0.11)
               | 
                | 
                | 
              
                25,000
               | 
                | 
             
            
              |   | 
              October 19, 2021 | 
                | 
              
                CDN$0.11
                ($0.08)
               | 
                | 
                | 
              
                350,000
               | 
                | 
             
            
              |   | 
              TOTAL | 
                | 
                | 
                | 
                | 
              
                4,625,000
               | 
                | 
             
            
              |   | 
              Options outstanding at end of year | 
                | 
              
                CDN$0.36
               | 
                | 
                | 
              
                ($0.30
               | 
              ) | 
             
            
              |   | 
              Options granted during the year | 
                | 
              
                CDN$0.11
               | 
                | 
                | 
              
                ($0.08
               | 
              ) | 
             
            
              |   | 
              Options exercised during the year | 
                | 
              
                -
               | 
                | 
                | 
              
                -
               | 
                | 
             
            
              |   | 
              Options expired during the year | 
                | 
              
                CDN$0.45
               | 
                | 
                | 
              
                ($0.45
               | 
              ) | 
             
            
              |   | 
              Options cancelled during the year | 
                | 
              
                CDN$0.39
               | 
                | 
                | 
              
                ($0.33
               | 
              ) | 
             
         
    The share options outstanding at the end of the year had a weighted average remaining contractual life as follows: 
              
            
              |   | 
                | 
                | 
              2017 | 
                | 
                | 
              2016 | 
                | 
             
            
              |   | 
                | 
                | 
              (Years) | 
                | 
                | 
              (Years) | 
                | 
             
            
              |   | 
              Total outstanding options | 
                | 
              
                3.4
               | 
                | 
                | 
              
                2.8
               | 
                | 
             
            
              |   | 
              Total exercisable options | 
                | 
              
                2.7
               | 
                | 
                | 
              
                2.8
               | 
                | 
             
         
        
     
              
            
              |   | 
                | 
                | 
              Number of | 
                | 
                | 
                | 
                | 
             
            
              |   | 
                | 
                | 
              Warrants | 
                | 
                | 
              Exercise | 
                | 
             
            
              |   | 
                | 
                | 
              Granted | 
                | 
                | 
              Prices | 
                | 
             
            
              |   | 
                | 
                | 
                                            | 
                | 
              $ | 
                | 
                | 
             
            
              |   | 
              Outstanding at November 30, 2015 and average exercise price | 
                | 
              
                2,767,800
               | 
                | 
                | 
              
                0.17
               | 
                | 
             
            
              |   | 
              Expired | 
                | 
              
                (131,250
               | 
              ) | 
                | 
              
                0.13
               | 
                | 
             
            
              |   | 
              Expired | 
                | 
              
                (151,900
               | 
              ) | 
                | 
              
                0.45
               | 
                | 
             
            
              |   | 
              Cancelled | 
                | 
              
                -
               | 
                | 
                | 
              
                -
               | 
                | 
             
            
              |   | 
              Outstanding at November 30, 2016 and average exercise price | 
                | 
              
                2,484,650
               | 
                | 
                | 
              
                0.16
               | 
                | 
             
            
              |   | 
              Granted | 
                | 
              
                17,891,806
               | 
                | 
                | 
              
                0.18
               | 
                | 
             
            
              |   | 
              Granted | 
                | 
              
                572,354
               | 
                | 
                | 
              
                0.15
               | 
                | 
             
            
              |   | 
              Expired | 
                | 
              
                (7,650
               | 
              ) | 
                | 
              
                0.25
               | 
                | 
             
            
              |   | 
              Outstanding at November 30, 2017 and average exercise price | 
                | 
              
                20,941,160
               | 
                | 
                | 
              
                0.18
               | 
                | 
             
            
              |   | 
                | 
                | 
                | 
                | 
                | 
                | 
                | 
             
            
              |   | 
              Exercisable at November 30, 2017 | 
                | 
              
                20,941,160
               | 
                | 
                | 
              
                0.18
               | 
                | 
             
            
              |   | 
              Exercisable at November 30, 2016 | 
                | 
              
                2,484,650
               | 
                | 
                | 
              
                0.16
               | 
                | 
             
         
    
      On June 9, 2016, the board of directors extended the expiry of
      400,000
      warrants issued in 2012 by an additional
      4
      years (refer to note 6).
     
    The warrants outstanding at the end of the year had a weighted average remaining contractual life as follows: 
              
            
              |   | 
                | 
                | 
              2017 | 
                | 
                | 
              2016 | 
                | 
             
            
              |   | 
                | 
                | 
              (Years) | 
                | 
                | 
              (Years) | 
                | 
             
            
              |   | 
              Total outstanding warrants | 
                | 
              
                4.68
               | 
                | 
                | 
              
                3.25
               | 
                | 
             
            
              |   | 
              Total exercisable warrants | 
                | 
              
                4.68
               | 
                | 
                | 
              
                3.25
               | 
                | 
             
         
 |