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Accounts Payable and Accrued Liabilities - Accounts Payable and Accrued Liabilities (Detail) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Accrued liabilities:
Employee benefits	$ 8,137	$ 8,431
Taxes other than on income	588	301
Customer tooling	527	393
Other	540	441
Total accounts payable and accrued liabilities	14,294	12,198
Security Products
Accounts payable:
Accounts payable	3,136	1,859
Marine Components
Accounts payable:
Accounts payable	$ 1,366	$ 773

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for customer tooling.

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Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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