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Note 5 - Promissory Notes (Tables)
3 Months Ended
Mar. 31, 2018
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
   
March 31,
2018
   
December 31,
2017
 
Opening balance
  $
502,313
    $
347,698
 
                 
Promissory note issued
   
-
     
188,135
 
                 
Discount on promissory note
   
-
     
(23,461
)
                 
Gain on extinguishment and reissuance of promissory notes with related parties
   
-
     
(94,191
)
                 
Extinguishment of promissory notes to related parties
   
-
     
(418,181
)
                 
Reissuance of promissory notes to related parties
   
-
     
418,181
 
                 
Accrued interest
   
2,901
     
11,288
 
                 
Interest accretion
   
15,895
     
72,844
 
                 
Closing balance
  $
521,109
    $
502,313