Accounts Payable and Accrued Liabilities - Accounts Payable and Accrued Liabilities (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Accrued liabilities:
Employee benefits	$ 4,552	$ 8,331
Customer tooling	239	264
Taxes other than on income	578	350
Other	860	619
Total accounts payable and accrued liabilities	9,007	12,078
Security Products
Accounts payable:
Accounts payable	2,106	1,975
Marine Components
Accounts payable:
Accounts payable	$ 672	$ 539