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Accounts Payable and Accrued Liabilities - Accounts Payable and Accrued Liabilities (Detail) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Accrued liabilities: |  |
Employee benefits | $ 8,068 | $ 7,413
Customer tooling | 334 | 290
Taxes other than on income | 328 | 289
Insurance | 108 | 117
Sales rebates | 156 | 135
Other | 275 | 276
Total | 12,504 | 10,792
Security Products |  |
Accounts payable: |  |
Accounts payable | 2,708 | 1,897
Marine Components |  |
Accounts payable: |  |
Accounts payable | $ 527 | $ 375

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