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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) $ in Thousands, $ in Thousands | Dec. 31, 2021 CAD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CAD ($)
--- | --- | --- | ---
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) |  |  |
Cumulative foreign currency translation |  | $ 414 | $ 413
Gross unamortized experience gain - post employment liability |  | 1,847 | 1,847
Tax effect unamortized experience gain - post employment liability |  | (485) | (485)
Accumulated other comprehensive income | $ 1,776 | $ 1,776 | $ 1,775

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