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Long-Term Debt (Schedule Of Long-Term Debt) (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Debt Instrument [Line Items]
Long-term debt		$ 57
Less current portion		(57)
Total
Bank Financing [Member]
Debt Instrument [Line Items]
Long-term debt
Equipment Financing Agreements [Member]
Debt Instrument [Line Items]
Long-term debt		$ 57

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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