Preferred Stock (Details)
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Dec. 31, 2014
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Dec. 31, 2013
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Series A Preferred Stock [Member] | ||
Class of Stock [Line Items] | ||
Preferred Stock, Shares Outstanding |
2,483,692us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesAPreferredStockMember |
2,483,692us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesAPreferredStockMember |
Series B Preferred Stock [Member] | ||
Class of Stock [Line Items] | ||
Preferred Stock, Shares Outstanding |
8,073,508us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesBPreferredStockMember |
8,073,508us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesBPreferredStockMember |
Series C Preferred Stock [Member] | ||
Class of Stock [Line Items] | ||
Preferred Stock, Shares Outstanding |
3,351,156us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesCPreferredStockMember |
3,351,156us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesCPreferredStockMember |
Series D Preferred Stock [Member] | ||
Class of Stock [Line Items] | ||
Preferred Stock, Shares Outstanding |
19,557,392us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesDPreferredStockMember |
19,557,392us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesDPreferredStockMember |
Convertible Preferred Stock [Member] | ||
Class of Stock [Line Items] | ||
Preferred Stock, Shares Outstanding |
33,465,748us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_ConvertiblePreferredStockMember |
33,465,748us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_ConvertiblePreferredStockMember |
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- Definition
Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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