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Note 10 - Share Capital (Details Textual)
$ / shares in Units, $ / shares in Units, $ in Thousands
 12 Months Ended
Sep. 23, 2022
USD ($)
$ / shares
shares
Nov. 30, 2022
CAD ($)
$ / shares
shares
Nov. 30, 2021
CAD ($)
$ / shares
shares
Dec. 10, 2021
USD ($)
Statement Line Items [Line Items]        
Percentage of shares issued reserved for issuance for options granted   10.00%    
Increase (decrease) in number of shares outstanding through exercise of options (in shares) | shares   691,501 1,154,918  
Weighted average share price (in CAD per share) | $ / shares   $ 2.25 $ 2.02  
Number of share options exercised in share-based payment arrangement   705,520 [1] 1,197,850 [2]  
Increase (decrease) in number of shares outstanding through exercise of options on net exercise basis (in shares) | shares   5,981 37,068  
Number of share options exercised on net exercise basis in share-based payment arrangement (in shares) | shares   20,000 80,000  
Share options [member]        
Statement Line Items [Line Items]        
Expense from share-based payment transactions with employees and consultants   $ 2,254 $ 1,744  
Restricted share rights [member]        
Statement Line Items [Line Items]        
Expense from share-based payment transactions with employees and consultants   $ 131 $ 116  
Number of other equity instruments granted in share-based payment arrangement   239,490 50,000  
Restricted share rights [member] | U.S. GoldMining Inc. [member]        
Statement Line Items [Line Items]        
Maximum number of shares to be granted in share-based payment arrangement (in shares) | shares 1,000,000      
Restricted shares [member] | U.S. GoldMining Inc. [member]        
Statement Line Items [Line Items]        
Number of other equity instruments granted in share-based payment arrangement 635,000      
Number of other equity instruments issued in exchange for other shares (in shares) | shares 585,000      
Percentage of other equity instruments, tranche one 15.00%      
Other equity instrument restrictions, equity financing, aggregate amount $ 15,000,000      
Percentage of other equity instruments, tranche two 15.00%      
Other equity instrument restrictions, minimum value of business $ 100,000,000      
Percentage of other equity instruments, tranche three 15.00%      
Percentage of other equity instruments, tranche four 15.00%      
Other equity instrument restrictions, minimum meters of drilling performed 10,000      
Percentage of other equity instruments, tranche five 15.00%      
Other equity instrument restrictions, price per share required after four years of grant date (in dollars per share) | $ / shares $ 15.00      
Percentage of other equity instruments, tranche six 15.00%      
Other equity instrument restrictions, market capitalization requirement $ 250,000,000      
Percentage of other equity instruments, tranche seven 10.00%      
Other equity instrument restrictions, price per share required after six years of grant date (in dollars per share) | $ / shares $ 25.00      
Total expense from share-based payment transactions in which goods or services received did not qualify for recognition as assets   $ 7    
Top of range [member]        
Statement Line Items [Line Items]        
Maximum term of options granted for share-based payment arrangement (Year)   5 years    
ATM program [member]        
Statement Line Items [Line Items]        
Issue of equity, maximum distribution amount       $ 50,000,000
Issue of equity, number of shares (in shares) | shares   12,653,643    
Proceeds from issuing shares   $ 18,452    
Payments for share issue costs   $ 460    
[1] During the year ended November 30, 2022, the Company issued 691,501 common shares at weighted average trading prices of $2.25. The common shares were issued pursuant to the exercise of 705,520 share options, of which 5,981 common shares were issued pursuant to the exercise of 20,000 share options on a net exercise basis.
[2] During the year ended November 30, 2021, the Company issued 1,154,918 common shares at weighted average trading prices of $2.02. The common shares were issued pursuant to the exercise of 1,197,850 share options, of which 37,068 common shares were issued pursuant to the exercise of 80,000 share options on a net exercise basis.