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Summary of Significant Accounting Policies (Details) (USD $) | Mar. 31, 2015 | Dec. 31, 2014
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Summary of financial liabilities measured at fair value on a recurring basis |  |
Warrant liabilities | $ 252,789 sgbx_WarrantLiabilities | $ 536,671 sgbx_WarrantLiabilities
Conversion option liabilities | 7,991 sgbx_ConversionOptionLiabilities | 110,000 sgbx_ConversionOptionLiabilities
Fair value measured on a recurring basis [Member] | Quoted prices in active market for identical assets (Level l) [Member] |  |
Summary of financial liabilities measured at fair value on a recurring basis |  |
Warrant liabilities |  |
Conversion option liabilities |  |
Fair value measured on a recurring basis [Member] | Significant other observable inputs (Level 2) [Member] |  |
Summary of financial liabilities measured at fair value on a recurring basis |  |
Warrant liabilities |  |
Conversion option liabilities |  |
Fair value measured on a recurring basis [Member] | Significant unobservable inputs (Level 3) [Member] |  |
Summary of financial liabilities measured at fair value on a recurring basis |  |
Warrant liabilities | 252,789 sgbx_WarrantLiabilities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 536,671 sgbx_WarrantLiabilities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Conversion option liabilities | $ 7,991 sgbx_ConversionOptionLiabilities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | $ 110,000 sgbx_ConversionOptionLiabilities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember

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- Definition Conversion option liabilities. + References No definition available. + Details
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- Definition Security that gives the holder the right to purchase shares of stock in accordance with the terms of the instrument, usually upon payment of a specified amount. + References No definition available. + Details
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Namespace Prefix: | sgbx_
Data Type: | xbrli:monetaryItemType
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- Details
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |