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Intangible Assets - Intellectual Propert (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Intangible Assets - Intellectual Propert Details  
Weighted average risk-free interest rate 1.72%us-gaap_FairValueAssumptionsRiskFreeInterestRate
Expected life in years 4 years 9 months
Weighted Avg Expected Volatility 93.80%us-gaap_FairValueAssumptionsWeightedAverageVolatilityRate
Expected dividend yield $ 0us-gaap_FairValueAssumptionsExpectedDividendPayments