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Note 4 - Investment in GRC (Details Textual)
$ / shares in Units, shares in Millions
 12 Months Ended
Nov. 05, 2021
CAD ($)
Mar. 11, 2021
CAD ($)
$ / shares
shares
Nov. 30, 2021
CAD ($)
Nov. 30, 2020
CAD ($)
Nov. 30, 2021
$ / shares
shares
Mar. 11, 2021
$ / shares
shares
Mar. 02, 2020
$ / shares
Dec. 02, 2019
$ / shares
Statement Line Items [Line Items]                
Share price (in CAD per share) | $ / shares             $ 1.44 $ 1.14
Reclassification adjustments on exchange differences on translation, net of tax     $ (857,238) $ (0)        
Share of other comprehensive income (loss) from investments, before tax     9,257,320 $ 0        
GRC [member]                
Statement Line Items [Line Items]                
Share price (in CAD per share) | (per share)   $ 5.92       $ 4.72    
Gold Royalty Corp [member]                
Statement Line Items [Line Items]                
Gain (loss) on fair value remeasurement of investment $ 5,451,903 $ 118,200,828            
Non-controlling investment, number of shares (in shares) | shares   20     20 20    
Share price (in CAD per share) | $ / shares         $ 5.09      
Gain (loss) on ownership dilution     5,169,003          
Investment in associate, amount derecognized 114,523,759              
Gain (loss) on loss of influence over investment 6,309,141              
Reclassification adjustments on exchange differences on translation, net of tax (857,238)              
Share of other comprehensive income (loss) from investments, before tax     $ 9,257,320          
Gold Royalty Corp [member] | Entity [member]                
Statement Line Items [Line Items]                
Investment in equity securities, fair value $ 120,832,900