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Finance income and finance costs - Summary of detailed information about finance income and cost (Detail) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Feb. 17, 2023 | Nov. 30, 2023 | Nov. 30, 2022 | Nov. 30, 2021
Schedule Of Detail Information About Finance Income And Costs [Abstract] |  |  |  |  |
Gain on repurchase of convertible unsecured senior notes |  | $ 0 | $ 357 | $ 0 |
Net gain on financial instruments carried at fair value |  | 1,257 | 0 | 0 |
Interest income |  | 769 | 316 | 195 |
Gain on lease termination | $ 121 | 121 | 0 | 0 | [1]
Finance income |  | 2,147 | 673 | 195 |
Accretion expense and amortization of deferred financing costs |  | (2,098) | (2,140) | (2,358) |
Interest on convertible unsecured senior notes and on long-term loan |  | (8,263) | (4,357) | (3,306) |
Bank charges |  | (42) | (35) | (31) |
Net foreign currency loss |  | (159) | (1,027) | (926) |
Loss on Loan Facility modifications |  | (3,540) | 0 | 0 |
Write off of deferred financing costs |  | (954) | 0 | 0 |
Finance costs |  | (15,056) | (7,559) | (6,621) |
Finance income cost |  | $ (12,909) | $ (6,886) | $ (6,426) |
[1] | The company voluntarily changed its accounting policy to classify interest paid and received as part of operating activities, see Note 1.

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