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Fair Value Measurements (Details 3) (Other Derivative Instrument [Member], USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Dec. 31, 2013
--- | --- | ---
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Derivative fair value of derivative liability | $ 501 | $ 1,591
Fair Value, Inputs, Level 3 [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Derivative fair value of derivative liability | $ 0 | $ 0

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