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Employee Benefit Plan (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Empoyee Benefit Plan [Abstract]      
Maximum employer match of eligible contributions 3.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent    
Defined Contribution Plan, Cost Recognized $ 0us-gaap_DefinedContributionPlanCostRecognized $ 0us-gaap_DefinedContributionPlanCostRecognized $ 8,595us-gaap_DefinedContributionPlanCostRecognized