XML 41 R31.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Summary of Significant Accounting Policies (Details Textual) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2016 USD ($) Customer Vendor unrelatedVendor | Sep. 30, 2015 Customer Vendor | Sep. 30, 2016 USD ($) Customer Vendor unrelatedVendor | Sep. 30, 2015 Customer Vendor unrelatedVendor | Dec. 31, 2015 USD ($) Customer
Summary of significant accounting policies (Textual) |  |  |  |  |
Term of company's operating cycle |  |  | The length of the Company's contracts varies, but is typically between six to twelve months. |  |
Dividend yield |  |  | 0.00% |  |
Warranty offered on completed contracts by company |  |  | 1 year |  |
Inventory work-in-process | $ 138,427 |  | $ 138,427 |  | $ 158,181
Bankruptcy proceedings, description |  |  | Intangible assets represent the preliminary assets identified upon emergence from bankruptcy and consist of $2,766,000 of proprietary knowledge and technology which is being amortized over 20 years and $1,113,000 of customer contracts which is being amortized over 2.5 years. |  |
Accumulated amortization and amortization expense |  |  | $ 145,875 |  |
Successor [Member] |  |  |  |  |
Summary of significant accounting policies (Textual) |  |  |  |  |
Accumulated amortization and amortization expense | $ 145,875 |  |  |  |
Accounts Receivable [Member] |  |  |  |  |
Summary of significant accounting policies (Textual) |  |  |  |  |
Concentration risk, percentage |  |  | 68.00% |  | 74.00%
Number of customers | Customer |  |  | 2 |  | 2
Revenue [Member] | Customer One [Member] |  |  |  |  |
Summary of significant accounting policies (Textual) |  |  |  |  |
Concentration risk, percentage | 73.00% | 19.00% | 36.00% | 25.00% |
Number of customers | Customer | 2 | 1 | 2 | 4 |
Revenue [Member] | Customer Two [Member] |  |  |  |  |
Summary of significant accounting policies (Textual) |  |  |  |  |
Concentration risk, percentage | 12.00% |  | 35.00% | 18.00% |
Revenue [Member] | Customer Three [Member] |  |  |  |  |
Summary of significant accounting policies (Textual) |  |  |  |  |
Concentration risk, percentage |  |  |  | 13.00% |
Revenue [Member] | Customer Four [Member] |  |  |  |  |
Summary of significant accounting policies (Textual) |  |  |  |  |
Concentration risk, percentage |  |  |  | 12.00% |
Costs of Revenue [Member] | Vendor Related Party[Member] |  |  |  |  |
Summary of significant accounting policies (Textual) |  |  |  |  |
Concentration risk, percentage | 53.00% | 91.00% | 37.00% | 45.00% |
Number of vendors | Vendor | 1 | 1 | 1 | 1 |
Costs of Revenue [Member] | Vendors Unrelated Party [Member] |  |  |  |  |
Summary of significant accounting policies (Textual) |  |  |  |  |
Concentration risk, percentage | 11.00% |  | 30.00% | 24.00% |
Number of vendors | unrelatedVendor | 1 |  | 1 | 1 |

X
- References No definition available. + Details
Name: | sgbx_AccountingPoliciesTextualAbstract
Namespace Prefix: | sgbx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of customers. + References No definition available. + Details
Name: | sgbx_NumberOfCustomers
Namespace Prefix: | sgbx_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of Vendors. + References No definition available. + Details
Name: | sgbx_NumberOfVendors
Namespace Prefix: | sgbx_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Warranty offered on completed contracts. + References No definition available. + Details
Name: | sgbx_WarrantyOfferedOnCompletedContracts
Namespace Prefix: | sgbx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_AmortizationOfIntangibleAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Description of the bankruptcy proceedings, including the process for emergence from bankruptcy. Does not include a description of management's plans to improve operations to enable the entity to emerge from bankruptcy, or a description of planned facility closings, business exit activities and headcount reduction plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64805424&loc=d3e55696-112764 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=34712771&loc=d3e56145-112766 + Details
Name: | us-gaap_BankruptcyProceedingsDescriptionOfProceedings
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13531-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13537-108611 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueAssumptionsExpectedDividendRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)(3)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_InventoryWorkInProcess
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Entity's operating cycle if it is other than 12 months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 926 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473108&loc=d3e54406-107959 + Details
Name: | us-gaap_OperatingCycle
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementScenarioAxis=us-gaap_SuccessorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_AccountsReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueGoodsNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=sgbx_CustomerOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=sgbx_CustomerTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=sgbx_CustomerThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=sgbx_CustomerFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_CostOfGoodsTotalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_SupplierConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=sgbx_VendorsUnrelatedPartyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |