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v3.25.1

Long-term debt - Convertible debentures (Details) $ / shares in Units, $ in Thousands |  |  | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jan. 29, 2025 $ / shares | Jun. 01, 2021 CAD ($) $ / shares | Feb. 28, 2025 CAD ($) shares | Dec. 31, 2024 CAD ($) shares | Dec. 31, 2023 CAD ($) | Jun. 01, 2021 $ / shares | Mar. 20, 2019 CAD ($) $ / shares | Mar. 20, 2019 $ / shares
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt issuance costs |  |  |  | $ 2,596 | $ 3,514 |  |  |
Convertible debentures |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Long-term debt, gross |  |  |  | $ 129,106 | 129,750 |  |  |
Redemption price as a percentage of the principal amount |  |  |  | 101.00% |  |  |  |
Convertible debentures | Subsequent Event |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Repayments of convertible debt |  |  | $ 1,357 |  |  |  |  |
Unamortized deferred financing costs derecognized |  |  | 1,912 |  |  |  |  |
Convertible debentures | 5.50% convertible debentures |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate |  | 5.50% |  | 5.50% |  |  |  |
Long-term debt, gross |  |  |  | $ 74,106 | 74,750 |  |  |
Conversion price (in CAD per share) | (per share) |  | $ 0.192 |  |  |  | $ 24.23 |  |
Debt issuance costs |  | $ 3,531 |  |  |  |  |  |
Redemption price as a percentage of the principal amount |  | 125.00% |  |  |  |  |  |
Debt conversion, principal amount |  |  |  | $ 644 |  |  |  |
Debt conversion, common shares (in shares) | shares |  |  |  | 26,576 |  |  |  |
Convertible debentures | 5.50% convertible debentures | Subsequent Event |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate | 5.50% |  |  |  |  |  |  |
Conversion price (in CAD per share) | $ / shares | $ 24.23 |  |  |  |  |  |  |
Conversion ratio | 1.00886 |  |  |  |  |  |  |
Debt conversion, principal amount |  |  | $ 72,749 |  |  |  |  |
Debt conversion, common shares (in shares) | shares |  |  | 3,002,231 |  |  |  |  |
Convertible debentures | 5.00% convertible debentures |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate |  |  |  | 5.00% |  |  | 5.00% |
Long-term debt, gross |  |  |  | $ 55,000 | $ 55,000 |  |  |
Conversion price (in CAD per share) | (per share) |  |  |  |  |  |  | $ 0.12 | $ 25.29
Debt issuance costs |  |  |  |  |  |  | $ 2,691 |

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