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Note 4 - Long-term Investments - Changes in Long-term Investments (Details) - CAD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jun. 13, 2022 | Nov. 30, 2022 | Nov. 30, 2021 | Nov. 30, 2020
Statement Line Items [Line Items] |  |  |  |
Increase (decrease) in equity investment designated at fair value through other comprehensive income, number of shares (in shares) |  |  |  | 20,000,000
Investment, fair value |  | $ 77,839 | $ 130,090 | $ 0
Increase (decrease) through equity investments designated at fair value through other comprehensive income |  |  | 8,689 | $ 120,833
Other comprehensive income, net of tax, unrealized gains (losses) from long-term investments |  | $ (60,940) | $ 9,257 |
Number of shares (in shares) |  |  |  | 20,000,000
Gold Royalty Corp [member] |  |  |  |
Statement Line Items [Line Items] |  |  |  |
Increase (decrease) in equity investment designated at fair value through other comprehensive income, number of shares (in shares) |  | 1,178,659 | 21,178,659 | 20,000,000
Investment, fair value |  | $ 75,557 | $ 130,090 | $ 0
Increase (decrease) through equity investments designated at fair value through other comprehensive income |  | 5,200 | 5,200 | $ 120,833
Other comprehensive income, net of tax, unrealized gains (losses) from long-term investments |  | $ (59,733) | $ 9,257 |
Number of shares (in shares) |  | 1,178,659 | 21,178,659 | 20,000,000
NevGold Corp [member] |  |  |  |
Statement Line Items [Line Items] |  |  |  |
Increase (decrease) in equity investment designated at fair value through other comprehensive income, number of shares (in shares) | 1,481,481 | 1,481,481 | 5,925,925 |
Investment, fair value |  | $ 2,282 | $ 0 |
Increase (decrease) through equity investments designated at fair value through other comprehensive income | $ 1,000 | 1,000 | $ 3,489 |
Other comprehensive income, net of tax, unrealized gains (losses) from long-term investments |  | $ (1,207) |  |
Number of shares (in shares) | 1,481,481 | 1,481,481 | 5,925,925 |

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- Definition The amount of investments in equity instruments that the entity has designated at fair value through other comprehensive income. [Refer: At fair value [member]; Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 11A -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_11A_c&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 8 -Subparagraph h -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_8_h&doctype=Standard -URIDate 2021-03-24 + Details
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