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Accounts Payable and Accrued Liabilities - Accounts Payable and Accrued Liabilities (Detail) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Payables And Accruals [Abstract]    
Accounts payable $ 3,018 $ 2,671
Accrued liabilities:    
Employee benefits 3,951 7,652
Taxes other than on income 436 253
Customer tooling 325 320
Professional 228 75
Insurance 186 244
Other 431 403
Total accounts payable and accrued liabilities $ 8,575 $ 11,618