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Accrued Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Accruals for disputed services $ 0 $ 2,318
Accrued operating expenses 422 2,010
Accrued payroll related expenses 4 130
Accrued interest 20 7,677
Total $ 446 $ 12,135