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Note 14 - Financial Instruments (Details Textual)
$ / shares in Units, $ / shares in Units, shares in Millions
 12 Months Ended
Jan. 18, 2022
USD ($)
$ / shares
Nov. 30, 2021
CAD ($)
shares
Nov. 30, 2021
USD ($)
$ / shares
shares
Mar. 11, 2021
shares
Mar. 02, 2020
$ / shares
Dec. 02, 2019
$ / shares
Statement Line Items [Line Items]            
Gains (losses) in other comprehensive income (loss) on change in value of reported currency in 10% change   $ 11,252,804        
Gains (losses) on change in value of reported currency in 10% change   392,163        
Working capital   $ 1,296,408        
Share price (in CAD per share) | $ / shares         $ 1.44 $ 1.14
Gold Royalty Corp [member]            
Statement Line Items [Line Items]            
Non-controlling investment, number of shares (in shares) | shares   20 20 20    
Share price (in CAD per share) | $ / shares     $ 5.09      
Total investment accounted for as measured through fair value through other comprehensive income     $ 101,800,000      
Gold Royalty Corp [member] | Dividend announced [member]            
Statement Line Items [Line Items]            
Cash dividend declared, paid quarterly (in dollars per share) | $ / shares $ 0.01          
Cash dividend declared, paid quarterly, amount $ 200,000          
Currency risk, denominated in USD [member]            
Statement Line Items [Line Items]            
Foreign currency denominated monetary liabilities   $ 12,724,627        
Bottom of range [member]            
Statement Line Items [Line Items]            
Weighted average lessee's incremental borrowing rate applied to lease liabilities recognised at date of initial application of IFRS 16   3.35% 3.35%      
Top of range [member]            
Statement Line Items [Line Items]            
Weighted average lessee's incremental borrowing rate applied to lease liabilities recognised at date of initial application of IFRS 16   4.17% 4.17%