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v2.4.1.9

Employee Benefit Plan (Details) (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013
Employee Benefit Plan |  |
Matching contributions | $ 0 us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount | $ 0 us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount

X
- Details
Name: | us-gaap_DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration