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Accounts receivable - Schedule of Accounts Receivable (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Customer trade receivables | $ 1,707 | $ 2,513
Holdback receivable | 9,326 | 10,737
Other receivables | 2,485 | 887
Allowance for expected credit losses | (565) | (372)
Accounts receivable | 13,194 | 18,738
Related Party |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Due from related parties (note 13) | $ 241 | $ 4,973

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