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Note 4 - Long-term Investments - Gain (Loss) on Remeasurement, Owership, and Control (Details) - CAD ($) $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Nov. 05, 2021 | Mar. 11, 2021 | Nov. 30, 2022 | Nov. 30, 2021
Statement Line Items [Line Items] |  |  |  |
Share of OCI in GRC |  |  | $ (0) | $ (857)
GRC [member] |  |  |  |
Statement Line Items [Line Items] |  |  |  |
Fair value of investment in GRC |  | $ 118,312 |  |
GRC net asset value - March 11, 2021 |  | 111 |  |
Gain on loss of control over GRC |  | 118,201 | 118,201 |
Investment in GRC - March 11, 2021 |  | $ 118,312 |  | 0
Share of loss in GRC |  |  |  | (8,100)
Share of OCI in GRC |  |  | (857) | (857)
Gain on ownership interest dilution |  |  |  | $ 5,169
Derecognition of investment in associate - November 5, 2021 | $ (114,524) |  |  |
Gain on loss of significant influence over GRC |  |  | 6,309 |
Gains on remeasurement of investment in GRC |  |  | $ 123,653 |

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