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Income taxes - Losses Expiry (Details) $ in Thousands	Nov. 30, 2021 USD ($)
CA
Non-capital losses	$ 51,808
Alaska, USA
Operating losses	142,524
2022 | Alaska, USA
Operating losses	366
2023 | Alaska, USA
Operating losses	960
2024 | Alaska, USA
Operating losses	569
2025 | Alaska, USA
Operating losses	1,530
Thereafter | CA
Non-capital losses	51,808
Thereafter | Alaska, USA
Operating losses	$ 139,099

X

- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-SubTopic 10
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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards.

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