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Summary of Significant Accounting Policies (Details)
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3 Months Ended |
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Mar. 31, 2015
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Mar. 31, 2014
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| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |
|
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |
1,794,070us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
5,342,137us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
| Employee Stock Option [Member] |
|
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |
|
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |
1,156,090us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_OptionIndexedToIssuersEquityEquityAxis
= us-gaap_EmployeeStockOptionMember
|
752,372us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_OptionIndexedToIssuersEquityEquityAxis
= us-gaap_EmployeeStockOptionMember
|
| Common Stock [Member] |
|
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |
|
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |
637,980us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
|
18,176us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
|
| Series A Preferred Stock [Member] |
|
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |
|
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |
0us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
|
625,895us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
|
| Series B Preferred Stock [Member] |
|
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |
|
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |
0us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
|
1,262,651us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
|
| Series C Preferred Stock [Member] |
|
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |
|
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |
0us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesCPreferredStockMember
|
537,233us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesCPreferredStockMember
|
| Series D Preferred Stock [Member] |
|
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |
|
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |
0us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesDPreferredStockMember
|
2,145,810us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesDPreferredStockMember
|