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Note 9 - Stockholders' Equity (Details Textual)
12 Months Ended
Oct. 11, 2016
USD ($)
shares
Oct. 11, 2016
CAD
CAD / shares
shares
Dec. 31, 2016
USD ($)
$ / shares
shares
Dec. 31, 2016
CAD
CAD / shares
shares
Dec. 31, 2015
USD ($)
$ / shares
shares
Dec. 31, 2014
shares
Dec. 31, 2016
USD ($)
shares
Dec. 31, 2005
shares
Proceeds from Issuance of Private Placement | $     $ 1,562,479   $ 0      
Payments of Stock Issuance Costs | $     70,024   0      
Proceeds from Issuance of Common Stock | $     $ 80,949   $ 0      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period     515,000      
Proceeds from Stock Options Exercised | $     $ 0   $ 77,250      
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price | $ / shares       $ 0.15      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     1,010,000 1,010,000 0      
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares     $ 0.42   $ 0      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period         5,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value | $         $ 0   $ 0  
Share-based Compensation | $     $ 257,293   $ 0      
Common Stock Placed in An Escrow           33,909,104    
Tranche Percentage of Total Escrowed Common Stock           33.00%    
2015 Stock Options Plan [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period     0 0 0      
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum         10.00%      
Common Stock, Capital Shares Reserved for Future Issuance, Percentage         10.00%      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     1,010,000 1,010,000        
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | (per share)     $ 0.42 CAD 0.54        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number         0   1,010,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period     0 0 0      
2015 Stock Options Plan [Member] | Maximum [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period         10 years      
2005 Stock Option Plan [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period     0 0 515,000      
Proceeds from Stock Options Exercised | $         $ 77,250      
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price | $ / shares         $ 0.15      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number         0   0  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period         5,000      
Common Stock, Capital Shares Reserved for Future Issuance               2,000,000
Private Placement [Member]                
Stock Issued During Period, Shares, New Issues     3,337,934 3,337,934        
Shares Issued, Price Per Share | CAD / shares       CAD 0.60        
Proceeds from Issuance of Private Placement     $ 1,562,479 CAD 2,002,760        
Payments of Stock Issuance Costs | $     $ 33,876          
Rights Issuance [Member]                
Stock Issued During Period, Shares, New Issues 172,681 172,681            
Shares Issued, Price Per Share | CAD / shares   CAD 0.626            
Payments of Stock Issuance Costs | $ $ 36,148              
Proceeds from Issuance of Common Stock $ 80,949 CAD 107,168