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Accounts Receivable, Net - Schedule of Accounts Receivable, Net (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Accounts Notes And Loans Receivable [Line Items]
Allowance for doubtful accounts	$ (70)	$ (70)
Total accounts receivable, net	18,681	17,840
Security Products
Accounts Notes And Loans Receivable [Line Items]
Accounts receivable, gross	13,241	13,767
Marine Components
Accounts Notes And Loans Receivable [Line Items]
Accounts receivable, gross	$ 5,510	$ 4,143

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