v3.25.2
Investment in Ambler Metals LLC - Narrative (Details)
3 Months Ended 9 Months Ended
Feb. 11, 2020
USD ($)
Owner
Aug. 31, 2025
USD ($)
Aug. 31, 2024
USD ($)
Aug. 31, 2025
USD ($)
Aug. 31, 2024
USD ($)
Schedule of Equity Method Investments [Line Items]          
Excess cash returned to members         $ 25,000,000
Comprehensive loss   $ 1,747,000 $ 1,591,000 $ 7,547,000 6,951,000
Ambler Metals LLC          
Schedule of Equity Method Investments [Line Items]          
Percentage of ownership 50.00% 50.00%   50.00%  
Comprehensive loss       $ 4,400,000  
Number of board members | Owner 4        
Number of members appointed by Trilogy | Owner 2        
Maximum exposure to loss   $ 105,300,000 $ 108,100,000 105,300,000 108,100,000
South32 | Ambler Metals LLC          
Schedule of Equity Method Investments [Line Items]          
Percentage of ownership 50.00%        
Ambler Metals          
Schedule of Equity Method Investments [Line Items]          
Human resources and accounting services in connection with a service agreement       102,250 47,000
Operating expenses       $ 58,080 $ 64,000
South32          
Schedule of Equity Method Investments [Line Items]          
Contribution made to joint venture $ 145,000,000