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Convertible Debentures (Details Textual) (USD $) | 0 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Apr. 10, 2014 | Mar. 31, 2015 | Mar. 31, 2014 | Dec. 31, 2014
Convertible Debentures (Textual) |  |  |  |
Interest rate on convertible debenture | 8.00%us-gaap_DebtInstrumentInterestRateStatedPercentage |  |  |
Due date of convertible debentures | Apr. 01, 2016 |  |  |
Amount of discount on debentures | $ 532,944 us-gaap_DebtInstrumentUnamortizedDiscount |  |  |
Total amortization relating to the discount |  | 101,208 us-gaap_AmortizationOfFinancingCostsAndDiscounts | 117,723 us-gaap_AmortizationOfFinancingCostsAndDiscounts |
Conversion price | $ 0.25 us-gaap_DebtInstrumentConvertibleConversionPrice1 |  |  |
Legal fees |  | 20,763 us-gaap_LegalFees |  |
Fair value of conversion option liabilities | 490,601 sgbx_FairValueOfConversionOptionLiabilities | 7,991 sgbx_FairValueOfConversionOptionLiabilities |  | 110,000 sgbx_FairValueOfConversionOptionLiabilities
Interest expense on the convertible debentures |  | 79,914 us-gaap_InterestExpenseDebtExcludingAmortization | 41,440 us-gaap_InterestExpenseDebtExcludingAmortization |
Covertible debentures maturity value | 1,915,200 sgbx_DebenturesStatedMaturityValue |  |  |
Converion price, description | The Exchange Agreement and the 2014 SPA trigger anti-dilution adjustments to the warrants issued on the Existing Debentures based on a $0.25 per share conversion price (adjusted from the original stated conversion price of $0.43 per share), which reduces the exercise price to $0.25 per share and increases the number of shares issuable upon the exercise of the Existing Warrants from 4,818,605 to 8,288,000 shares. |  |  |
Debt default description |  | Upon any Event of Default (as defined in the Debenture), the outstanding principal amount of the Debenture, plus liquidated damages, interest, a premium of 30% and other amounts owing in respect thereof through the date of acceleration, shall become, at the 2014 Holders' election, immediately due and payable in cash. Commencing five days after the occurrence of any Event of Default, the interest rate on the Debenture shall accrue at an interest rate equal to the lesser of 18% per annum or the maximum rate permitted under applicable law. |  |
Debt Instrument, Redemption, Period One [Member] |  |  |  |
Convertible Debentures (Textual) |  |  |  |
Debt redemption amount |  | 998,925 sgbx_DebtInstrumentPeriodicRedemptionAmount / us-gaap_DebtInstrumentRedemptionPeriodAxis = us-gaap_DebtInstrumentRedemptionPeriodOneMember |  |
Debt Instrument, Redemption, Period Two [Member] |  |  |  |
Convertible Debentures (Textual) |  |  |  |
Debt redemption amount |  | 998,925 sgbx_DebtInstrumentPeriodicRedemptionAmount / us-gaap_DebtInstrumentRedemptionPeriodAxis = us-gaap_DebtInstrumentRedemptionPeriodTwoMember |  |
Debt Instrument, Redemption, Period Three [Member] |  |  |  |
Convertible Debentures (Textual) |  |  |  |
Debt redemption amount |  | 1,997,850 sgbx_DebtInstrumentPeriodicRedemptionAmount / us-gaap_DebtInstrumentRedemptionPeriodAxis = us-gaap_DebtInstrumentRedemptionPeriodThreeMember |  |
Hillair Capital Investments Lp [Member] |  |  |  |
Convertible Debentures (Textual) |  |  |  |
Fair value of warrants |  | 40,320 sgbx_FairValueOfWarrantsUnderAffiliates / dei_LegalEntityAxis = sgbx_HillairCapitalInvestmentsLpMember |  | 96,931 sgbx_FairValueOfWarrantsUnderAffiliates / dei_LegalEntityAxis = sgbx_HillairCapitalInvestmentsLpMember
Merriman Capital Inc [Member] |  |  |  |
Convertible Debentures (Textual) |  |  |  |
Fair value of warrants |  | 2,858 sgbx_FairValueOfWarrantsUnderAffiliates / dei_LegalEntityAxis = sgbx_MerrimanCapitalIncMember |  |
Frank Casano [Member] |  |  |  |
Convertible Debentures (Textual) |  |  |  |
Fair value of warrants |  | 22,400 sgbx_FairValueOfWarrantsUnderAffiliates / dei_LegalEntityAxis = sgbx_FrankCasanoMember |  | 51,153 sgbx_FairValueOfWarrantsUnderAffiliates / dei_LegalEntityAxis = sgbx_FrankCasanoMember
Senior Convertible Debentures [Member] |  |  |  |
Convertible Debentures (Textual) |  |  |  |
Convertible debentures | 2,080,500 us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = us-gaap_ConvertibleDebtSecuritiesMember |  |  |
Interest rate on convertible debenture | 8.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = us-gaap_ConvertibleDebtSecuritiesMember |  |  |
Due date of convertible debentures | Apr. 01, 2016 |  |  |
Proceeds from issuance of convertible debentures | 1,825,000 us-gaap_ProceedsFromIssuanceOfSecuredDebt / us-gaap_DebtInstrumentAxis = us-gaap_ConvertibleDebtSecuritiesMember |  |  |
Warrant to purchase company's common stock | 8,322,000 sgbx_WarrantToPurchaseCommonStock / us-gaap_DebtInstrumentAxis = us-gaap_ConvertibleDebtSecuritiesMember |  |  |
Amount of discount on debentures | 255,500 us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_DebtInstrumentAxis = us-gaap_ConvertibleDebtSecuritiesMember |  |  |
Conversion price | $ 0.25 us-gaap_DebtInstrumentConvertibleConversionPrice1 / us-gaap_DebtInstrumentAxis = us-gaap_ConvertibleDebtSecuritiesMember |  |  |
Term of warrants | 5 years |  |  |
Warrants exercise price | $ 0.275 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_DebtInstrumentAxis = us-gaap_ConvertibleDebtSecuritiesMember |  |  |
Percentage of conversion price | 110.00%sgbx_PercentageOfConversionPrice / us-gaap_DebtInstrumentAxis = us-gaap_ConvertibleDebtSecuritiesMember |  |  |
Legal fees | 20,000 us-gaap_LegalFees / us-gaap_DebtInstrumentAxis = us-gaap_ConvertibleDebtSecuritiesMember |  |  |
Fair value of conversion option liabilities | 413,606 sgbx_FairValueOfConversionOptionLiabilities / us-gaap_DebtInstrumentAxis = us-gaap_ConvertibleDebtSecuritiesMember |  |  |
Existing Debentures [Member] |  |  |  |
Convertible Debentures (Textual) |  |  |  |
Fair value of conversion option liabilities | 2,366 sgbx_FairValueOfConversionOptionLiabilities / us-gaap_DebtInstrumentAxis = sgbx_ExistingDebenturesMember |  |  |
Fair value of warrants | 490,601 sgbx_FairValueOfWarrantsUnderAffiliates / us-gaap_DebtInstrumentAxis = sgbx_ExistingDebenturesMember |  |  |
Securities Purchase Agreement [Member] |  |  |  |
Convertible Debentures (Textual) |  |  |  |
Debt instrument, covenant description |  | The underlying securities purchase and debenture agreements also provide for the Company to pay liquidated damages in the event of its failure to (i) deliver shares upon the conversion of the debentures, in which case the liquidated damages would amount to a cash payment of $10 per trading day (increasing to $15 per trading day on the fifth trading day) for each $1,000 of principal amount being converted until such certificates are delivered (ii) maintain timely required filings with the SEC, in which case the liquidated damages would amount to a cash payment of two percent (2.0%) of the aggregate subscription amount of such purchasers securities on the day of the failure to maintain timely filings with the SEC and on every thirtieth (30th) day thereafter until the required documents are filed with the SEC or is no longer required for the purchaser to transfer the underlying shares pursuant to Rule 144 and (iii) to compensate the debenture holder for a Buy-In (as defined in the debentures) of securities previously sold by the debenture holder on a failure to timely deliver certificates upon conversion by the debenture holder. |  |
Securities Purchase Agreement [Member] | Senior Convertible Debentures [Member] |  |  |  |
Convertible Debentures (Textual) |  |  |  |
Amount of discount on debentures | 413,606 us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_DebtInstrumentAxis = us-gaap_ConvertibleDebtSecuritiesMember / us-gaap_PlanNameAxis = sgbx_SecuritiesPurchaseAgreementMember | 691,590 us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_DebtInstrumentAxis = us-gaap_ConvertibleDebtSecuritiesMember / us-gaap_PlanNameAxis = sgbx_SecuritiesPurchaseAgreementMember |  | 792,798 us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_DebtInstrumentAxis = us-gaap_ConvertibleDebtSecuritiesMember / us-gaap_PlanNameAxis = sgbx_SecuritiesPurchaseAgreementMember
Exchange Agreement [Member] |  |  |  |
Convertible Debentures (Textual) |  |  |  |
Interest rate on convertible debenture | 8.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_PlanNameAxis = sgbx_ExchangeAgreementMember |  |  |
Warrant to purchase company's common stock | 7,660,800 sgbx_WarrantToPurchaseCommonStock / us-gaap_PlanNameAxis = sgbx_ExchangeAgreementMember |  |  |
Conversion price | $ 0.25 us-gaap_DebtInstrumentConvertibleConversionPrice1 / us-gaap_PlanNameAxis = sgbx_ExchangeAgreementMember |  |  |
Term of warrants | 5 years |  |  |
Warrants exercise price | $ 0.275 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_PlanNameAxis = sgbx_ExchangeAgreementMember |  |  |
Loss of transaction | 1,104,179 sgbx_GainLossOnDebtExchange / us-gaap_PlanNameAxis = sgbx_ExchangeAgreementMember |  |  |
Percentage of conversion price | 110.00%sgbx_PercentageOfConversionPrice / us-gaap_PlanNameAxis = sgbx_ExchangeAgreementMember |  |  |
Fair value of conversion option liabilities | 380,744 sgbx_FairValueOfConversionOptionLiabilities / us-gaap_PlanNameAxis = sgbx_ExchangeAgreementMember |  |  |
Covertible debentures maturity value | $ 1,680,000 sgbx_DebenturesStatedMaturityValue / us-gaap_PlanNameAxis = sgbx_ExchangeAgreementMember |  |  |

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- Definition Amount of noncash expense included in interest expense to allocate debt discount and premium, and the costs to issue debt and obtain financing over the related debt instruments. Alternate captions include noncash interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400 + Details
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- Definition Discussion of the facts and amounts pertaining to each failure to comply with an affirmative or negative covenant of a long-term debt instrument, including violating payment terms or an inability to meet certain minimum financial requirements or achieve or maintain certain financial ratios. The discussion would generally be expected to also include whether or not the failure can and will be overcome and a description of the terms of any waivers, including the amount of the waiver and the period of time covered by the waiver, and if reclassification of long-term debt to current has been made in the current balance sheet. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6802200&loc=SL6230698-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(c)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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