v3.25.4
Note 12 - Non-controlling Interests (Details Textual)
$ / shares in Units, $ in Thousands, $ in Thousands
 1 Months Ended 12 Months Ended
Sep. 23, 2022
Sep. 29, 2025
USD ($)
Nov. 30, 2025
CAD ($)
shares
Nov. 30, 2025
USD ($)
$ / shares
shares
Nov. 30, 2024
CAD ($)
shares
Nov. 30, 2024
USD ($)
$ / shares
shares
Sep. 30, 2025
USD ($)
May 15, 2024
USD ($)
Nov. 24, 2023
USD ($)
Statement Line Items [Line Items]                  
Non-controlling interests     $ 2,806   $ 1,402        
Weighted average remaining contractual life of outstanding share options (Year)     2 years 10 months 20 days 2 years 10 months 20 days          
Weighted average remaining contractual life of exercisable share options (Year)     2 years 5 months 15 days 2 years 5 months 15 days          
ATM program [member]                  
Statement Line Items [Line Items]                  
Issue of equity, maximum distribution amount                 $ 50,000
Proceeds from issuing shares     $ 21,319   $ 13,114        
Issue of equity, number of shares (in shares) | shares     13,033,493 13,033,493 10,873,320 10,873,320      
U.S. GoldMining Inc. [member]                  
Statement Line Items [Line Items]                  
Number of subsidiary shares held (in shares) | shares     9,878,261            
Proportion of ownership interest in subsidiary     74.40% 74.40%          
Number of subsidiary warrants held (in shares) | shares     122,490            
Non-controlling interests     $ 2,806            
Number of shares issued (in shares) | shares     7,126            
Number of other equity instruments exercised or vested in share-based payment arrangement [1]     33,750 33,750          
Weighted average remaining contractual life of outstanding share options (Year)     3 years 4 months 28 days 3 years 4 months 28 days          
Expense from share-based payment transactions with employees     $ 577   $ 248        
Restricted shares which were released (in shares) | shares         95,250        
Weighted average share price, share options granted (in dollars per share) | $ / shares       $ 8.74   $ 5.25      
Weighted average remaining contractual life of exercisable share options (Year)     4 months 24 days 4 months 24 days          
U.S. GoldMining Inc. [member] | Restricted shares [member]                  
Statement Line Items [Line Items]                  
Increase (decrease) in value of shares outstanding through share-based compensation transaction     $ (21)   $ 21        
U.S. GoldMining Inc. [member] | Restricted stock units [member]                  
Statement Line Items [Line Items]                  
Number of other equity instruments exercised or vested in share-based payment arrangement     10,889 10,889          
Number of other equity instruments granted in share-based payment arrangement     20,050 20,050          
Increase (decrease) in value of shares outstanding through share-based compensation transaction     $ 200 $ 140          
Weighted average share price, share options granted (in dollars per share) | $ / shares       $ 8.55          
U.S. GoldMining Inc. [member] | Restricted shares [member]                  
Statement Line Items [Line Items]                  
Number of other equity instruments granted in share-based payment arrangement 635,000                
Number of other equity instruments outstanding in share-based payment arrangement         254,000        
U.S. GoldMining Inc. [member] | ATM program [member]                  
Statement Line Items [Line Items]                  
Issue of equity, maximum distribution amount             $ 7,600 $ 5,500  
Commission rate for shares sold               2.50%  
Proceeds from issuing shares   $ 4,800 $ 13,121 $ 9,360 $ 656 $ 480      
Issue of equity, number of shares (in shares) | shares     810,472 810,472 45,699 45,699      
Dilution gain before fees and issuance costs     $ 9,935   $ 511        
Dilution gain, net of fees and issuance costs     $ 9,665   $ 496        
[1] 7,126 U.S. GoldMining Shares were issued pursuant to the exercise of 33,750 U.S. GoldMining stock options on a net exercise basis.