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Debt (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Line Of Credit Facility [Line Items]
Total long-term debt	$ 9,399
Less: Current portion of long-term debt	3,795
Total long-term debt, net of current portion	$ 5,604	$ 8,481

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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