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Accounts Payable and Accrued Liabilities - Accounts Payable and Accrued Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Schedule Of Accrued Liabilities [Line Items]    
Accounts payable $ 2,797 $ 6,203
Accrued liabilities:    
Employee benefits 6,541 7,764
Customer tooling 282 425
Taxes other than on income 439 401
Insurance 305 372
Professional 189 242
Other 508 833
Total $ 11,061 $ 16,240