Accounts Payable and Accrued Liabilities - Accounts Payable and Accrued Liabilities (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Accrued liabilities:
Employee benefits	$ 5,611	$ 8,331
Customer tooling	207	264
Taxes other than on income	496	350
Other	525	619
Total accounts payable and accrued liabilities	9,629	12,078
Security Products
Accounts payable:
Accounts payable	2,085	1,975
Marine Components
Accounts payable:
Accounts payable	$ 705	$ 539