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Fair Value of Financial Instruments (Details) (Recurring, USD $)	Dec. 31, 2014
Recurring
Fair value of financial instruments
Fair value of assets and liabilities	$ 0us-gaap_FairValueNetAssetLiability / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember

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- Details

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Balance Type:	na
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X

- Definition

Fair value of asset after deduction of liability.

+ References

No definition available.

+ Details

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