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Note 8 - Stockholders' Deficiency (Tables)
12 Months Ended
Dec. 31, 2017
Notes Tables  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
   
Number of
options
   
Exercise price
   
Expiry date
 
Outstanding, December 31, 2016 and 2015
   
-
    $
 
 
-
     
 
 
                             
Granted
   
2,323,779
     
0.43
0.49
   
June 15, 2018
 
Granted
   
2,887,895
     
0.44
0.52
   
September 28, 2018
 
Granted
   
128,600
     
0.44
0.52
   
October 26, 2018
 
Exercised
   
(121,111
)    
 
 
(0.43
)    
June 15, 2018
 
                             
Outstanding December 31, 2017
   
5,219,163
     
 
 
0.48
     
 
 
Share-based Compensation, Stock Options, Activity [Table Text Block]
   
Number of
options
   
Weighted average exercise price
 
Outstanding, December 31, 2015
 
-
  $
-
 
             
Granted
 
1,010,000
   
0.42
 
Exercised
 
-
   
-
 
             
Outstanding, December 31, 2016
 
1,010,000
   
0.42
 
             
Granted
 
725,000
   
0.42
 
Exercised
 
-
   
-
 
Cancelled
 
(130,000
)  
(0.42
)
             
Outstanding December 31, 2017
 
1,605,000
  $
0.42
 
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]
Range of exercise
prices per share
   
Number
outstanding
   
Number
exercisable
 
Expiry d
ate
$ 0.42    
880,000
   
880,000
 
December 20, 2021
  0.42    
725,000
   
387,500
 
November 8, 2022
       
1,605,000
   
1,267,500
 
 
Disclosure of Escrowed Common Stock Releases [Table Text Block]
   
Number of shares
 
       
Balance December 31, 2015
 
22,606,069
 
       
Released in 2016
 
(22,606,069
)
       
Balance December 31, 2016
 
-