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Accounts receivable, net - Schedule of Accounts receivable, net (Detail) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Accounts Notes And Loans Receivable [Line Items]
Allowance for doubtful accounts	$ (70)	$ (70)
Total accounts receivable, net	16,914	14,113
Security Products
Accounts Notes And Loans Receivable [Line Items]
Accounts receivable, net	12,933	12,149
Marine Components
Accounts Notes And Loans Receivable [Line Items]
Accounts receivable, net	$ 4,051	$ 2,034

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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.

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