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Note 3 - Summary of Significant Accounting Policies (Details Textual)
 1 Months Ended 12 Months Ended
Nov. 05, 2021
shares
Aug. 23, 2021
CAD ($)
shares
Mar. 11, 2021
shares
Feb. 28, 2021
Dec. 04, 2020
CAD ($)
shares
Dec. 04, 2020
USD ($)
shares
Mar. 31, 2021
CAD ($)
$ / shares
shares
Mar. 31, 2021
USD ($)
shares
Nov. 30, 2021
Gold Royalty Corp [member]                  
Statement Line Items [Line Items]                  
Proportion of ownership interests held by company 14.90% 27.60%              
Ely Gold Royalties Inc. [member] | Gold Royalty Corp [member]                  
Statement Line Items [Line Items]                  
Common shares issued for acquisition (in shares)   30,902,176              
Cash flows used in obtaining control of subsidiaries or other businesses, investing activities | $   $ 84,000,000.0              
Abitibi Royalties Inc. [member] | Gold Royalty Corp [member]                  
Statement Line Items [Line Items]                  
Common shares issued for acquisition (in shares) 31,625,931                
Golden Valley Mines and Royalties Ltd. [member] | Gold Royalty Corp [member]                  
Statement Line Items [Line Items]                  
Common shares issued for acquisition (in shares) 29,478,269                
Gold Royalty Corp [member]                  
Statement Line Items [Line Items]                  
Issue of equity, number of shares (in shares)     500,000   1,325,000 1,325,000      
Issue of equity         $ 3,722,145 $ 2,848,750      
Proportion of ownership interests held by company       87.60%     48.10% 48.10%  
Initial public offering [member]                  
Statement Line Items [Line Items]                  
Issue of equity, number of units (in shares)             18,000,000 18,000,000  
Issue of units, price per unit (in CAD per share) | $ / shares             $ 5.00    
Issue of equity, number of shares (in shares)             721,347 721,347  
Number of warrants issued (in shares)             1,350,000 1,350,000  
Issue of equity             $ 117,300,000 $ 94,500,000  
Units issued, number of shares per unit (in shares)             1 1  
Units issued, number of warrants (in shares)             0.50 0.50  
Buildings and camp structures [member] | Bottom of range [member]                  
Statement Line Items [Line Items]                  
Useful life measured as period of time, property, plant and equipment (Year)                 5 years
Buildings and camp structures [member] | Top of range [member]                  
Statement Line Items [Line Items]                  
Useful life measured as period of time, property, plant and equipment (Year)                 20 years
Tangible exploration and evaluation assets [member]                  
Statement Line Items [Line Items]                  
Useful life measured as period of time, property, plant and equipment (Year)                 5 years
Vehicles [member]                  
Statement Line Items [Line Items]                  
Useful life measured as period of time, property, plant and equipment (Year)                 5 years
Furniture and fixtures [member]                  
Statement Line Items [Line Items]                  
Useful life measured as period of time, property, plant and equipment (Year)                 5 years
Computer equipment [member]                  
Statement Line Items [Line Items]                  
Useful life measured as period of time, property, plant and equipment (Year)                 3 years
Computer software [member]                  
Statement Line Items [Line Items]                  
Useful life measured as period of time, property, plant and equipment (Year)                 1 year