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Accounts receivable - Schedule of Accounts Receivable (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Customer trade receivables | $ 2,916 | $ 2,513
Holdback receivable | 0 | 10,737
Other receivables | 1,728 | 887
Allowance for expected credit losses | (569) | (372)
Accounts receivable | 16,580 | 18,738
Related Party |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Due from related parties (note 14) | $ 12,505 | $ 4,973

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