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Investment in Ambler Metals LLC - Financial information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Nov. 30, 2023 | Nov. 30, 2022 | Nov. 30, 2021
The carrying value of equity method investment |  |  |
Share of loss on equity investment | $ (7,844) | $ (17,360) | $ (13,082)
Investment in Ambler Metals | 135,021 | 142,754 |
Assets [Abstract] |  |  |
Total assets | 138,020 | 145,995 |
Cash | 2,590 | 2,573 |
Liabilities [Abstract] |  |  |
Total liabilities | (465) | (567) |
Ambler Metals' Net Loss |  |  |
General and administrative | 1,328 | 1,287 | 1,517
Professional Fees | 1,073 | 998 | 818
Foreign exchange (gain) loss | 5 | (18) | 36
Ambler Metals |  |  |
Assets [Abstract] |  |  |
Total assets | 97,180 | 114,049 |
Cash | 63,829 | 80,755 |
Mineral properties | 30,899 | 30,899 |
Liabilities [Abstract] |  |  |
Total liabilities | (2,931) | (4,335) |
Accounts payable and accrued liabilities | (2,500) | (3,664) |
Members' equity (total assets less total liabilities) | 94,249 | 109,714 |
Ambler Metals' Net Loss |  |  |
Depreciation | 150 | 77 |
Corporate salaries and wages | 2,068 | 2,381 |
General and administrative | 547 | 991 |
Mineral property expense | 12,822 | 22,720 |
Professional Fees | 547 | 1,047 |
Foreign exchange (gain) loss | (2) | 6 |
Interest and other income | 445 | 1,058 |
Comprehensive loss | 15,687 | 26,164 |
Ambler Metals LLC |  |  |
The carrying value of equity method investment |  |  |
Investment in Ambler Metals |  | 142,754 | $ 160,063
Joint venture, contributed amount | 111 | 51 |
Share of loss on equity investment | (7,844) | $ (17,360) |
Investment in Ambler Metals | $ 135,021 |  |

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