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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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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount of allowance for credit loss on accounts receivable, classified as current.

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Amount due from parties in nontrade transactions, classified as other.

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Holdback Receivables, Net, Current

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The amount of receivables that are derived from customers.

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