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Note 17 - Net Change in Operating Assets and Liabilities (Tables) | 12 Months Ended
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Nov. 30, 2023
Notes Tables |
Cash Flow, Operating Capital [Table Text Block] |
|  | Years ended November 30, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
Changes in operating assets and liabilities: |  |  |  |  |  |  |  |  |  |  |  |
Other assets |  | $ | 694 |  |  | $ | (1,962 | ) |  | $ | 1,605 |
Accounts payable and accrued liabilities |  |  | (62 | ) |  |  | 128 |  |  |  | (240 | )
Accrued payroll and related benefits |  |  | 268 |  |  |  | (92 | ) |  |  | 419 |
Remediation liability |  |  | (1,435 | ) |  |  | (130 | ) |  |  | — |
|  | $ | (535 | ) |  | $ | (2,056 | ) |  | $ | 1,784 |

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- Definition Tabular disclosure of the net increase (decrease) in operating capital in the operating section of the statement of cash flows, represents the entire footnote disclosure that provides details regarding the net change during the reporting period of all assets and liabilities used in operating activities. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration