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Accrued Liabilities Accrued Liabilities (Details) (USD $)
Jun. 30, 2013
Dec. 31, 2012
Accrued Liabilities [Abstract]    
Salaries, employee benefits and related taxes $ 951.8 $ 1,597.2
Professional fees 520.1 606.6
Other 516.6 81.0
Accrued Liabilities $ 1,988.5 $ 2,284.8