XML 96 R84.htm IDEA: XBRL DOCUMENT
v3.24.1.1.u2

Share-based Compensation (Details Textual) |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
May 01, 2023 shares | Apr. 04, 2023 Director $ / shares shares | Nov. 18, 2022 Director $ / shares shares | Aug. 27, 2020 shares | Jun. 30, 2023 Employee $ / shares shares | Dec. 31, 2023 USD ($) $ / shares shares | Dec. 31, 2022 USD ($) Employee $ / shares shares | Aug. 18, 2021 shares | Oct. 26, 2016 shares
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Stock-based compensation | $ |  |  |  |  |  | $ 3,210,631 | $ 2,798,844 |  |
Restricted stock or options issued, shares |  |  |  | 200,000 |  |  |  |  |
Common stock available for issuance, shares |  |  |  |  |  | 0 |  |  |
Recognized stock-based compensation expense | $ |  |  |  |  |  | $ 0 | 0 |  |
Unrecognized compensation costs | $ |  |  |  |  |  | $ 0 |  |  |
Average share price | $ / shares |  |  |  |  |  | $ 0 |  |  |
Restricted Stock [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Stock-based compensation | $ |  |  |  |  |  | $ 3,210,631 | 2,798,844 |  |
Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Vesting Period | 18 months |  |  |  |  |  |  |  |
Award granted (in shares) |  |  |  |  |  | 29,250 |  |  |
Fair value of restricted units | $ |  |  |  |  |  |  | $ 1,843,000 |  |
Restricted Stock Units (RSUs) [Member] | Reverse Stock Split in May 2024 [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Award granted (in shares) | 3,000 |  |  |  |  |  |  |  |
Restricted Stock Units (RSUs) [Member] | Before Adjustment of Reverse Stock Split [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Award granted (in shares) | 60,000 |  |  |  |  |  |  |  |
Employees [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Number of employees | Employee |  |  |  |  |  |  | 7 |  |
Employees [Member] | Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Number of employees | Employee |  |  |  |  | 6 |  |  |  |
Non-employee director [Member] | Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Vesting Period |  | 2 years |  |  |  |  |  |  |
Number of Directors | Director |  | 5 |  |  |  |  |  |  |
Paul Galvin and Seven Employees [Member] | Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Vesting Period |  |  |  |  |  |  | 2 years |  |
Paul Galvin and Seven Employees [Member] | Restricted Stock Units (RSUs) [Member] | Reverse Stock Split in May 2024 [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Award granted (in shares) |  |  |  |  |  |  | 52,250 |  |
Paul Galvin and Seven Employees [Member] | Restricted Stock Units (RSUs) [Member] | Reverse Stock Split in May 2024 [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Fair value of award (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 26 |  |
Paul Galvin and Seven Employees [Member] | Restricted Stock Units (RSUs) [Member] | Reverse Stock Split in May 2024 [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Fair value of award (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 44.8 |  |
Paul Galvin and Seven Employees [Member] | Restricted Stock Units (RSUs) [Member] | Before Adjustment of Reverse Stock Split [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Award granted (in shares) |  |  |  |  |  |  | 1,045,000 |  |
Paul Galvin and Seven Employees [Member] | Restricted Stock Units (RSUs) [Member] | Before Adjustment of Reverse Stock Split [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Fair value of award (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 1.3 |  |
Paul Galvin and Seven Employees [Member] | Restricted Stock Units (RSUs) [Member] | Before Adjustment of Reverse Stock Split [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Fair value of award (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 2.24 |  |
Four Non-Employee Directors [Member] | Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Vesting Period |  |  | 2 years |  |  |  |  |  |
Number of employees | Director |  |  | 4 |  |  |  |  |  |
Four Non-Employee Directors [Member] | Restricted Stock Units (RSUs) [Member] | Reverse Stock Split in May 2024 [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Award granted (in shares) |  |  | 4,000 |  |  |  |  |  |
Fair value of award (in dollars per share) | $ / shares |  |  | $ 26 |  |  |  |  |  |
Four Non-Employee Directors [Member] | Restricted Stock Units (RSUs) [Member] | Before Adjustment of Reverse Stock Split [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Award granted (in shares) |  |  | 80,000 |  |  |  |  |  |
Fair value of award (in dollars per share) | $ / shares |  |  | $ 1.3 |  |  |  |  |  |
Five non-employee directors [Member] | Restricted Stock Units (RSUs) [Member] | Reverse Stock Split in May 2024 [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Award granted (in shares) |  | 13,408 |  |  |  |  |  |  |
Fair value of award (in dollars per share) | $ / shares |  | $ 20.2 |  |  |  |  |  |  |
Five non-employee directors [Member] | Restricted Stock Units (RSUs) [Member] | Before Adjustment of Reverse Stock Split [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Award granted (in shares) |  | 268,166 |  |  |  |  |  |  |
Fair value of award (in dollars per share) | $ / shares |  | $ 1.01 |  |  |  |  |  |  |
Paul Galvin and Six Employees [Member] | Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Vesting Period |  |  |  |  | 2 years |  |  |  |
Paul Galvin and Six Employees [Member] | Restricted Stock Units (RSUs) [Member] | Reverse Stock Split in May 2024 [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Award granted (in shares) |  |  |  |  | 15,842 |  |  |  |
Paul Galvin and Six Employees [Member] | Restricted Stock Units (RSUs) [Member] | Reverse Stock Split in May 2024 [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Fair value of award (in dollars per share) | $ / shares |  |  |  |  | $ 17 |  |  |  |
Paul Galvin and Six Employees [Member] | Restricted Stock Units (RSUs) [Member] | Reverse Stock Split in May 2024 [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Fair value of award (in dollars per share) | $ / shares |  |  |  |  | $ 20.2 |  |  |  |
Paul Galvin and Six Employees [Member] | Restricted Stock Units (RSUs) [Member] | Before Adjustment of Reverse Stock Split [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Award granted (in shares) |  |  |  |  | 316,834 |  |  |  |
Paul Galvin and Six Employees [Member] | Restricted Stock Units (RSUs) [Member] | Before Adjustment of Reverse Stock Split [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Fair value of award (in dollars per share) | $ / shares |  |  |  |  | $ 0.85 |  |  |  |
Paul Galvin and Six Employees [Member] | Restricted Stock Units (RSUs) [Member] | Before Adjustment of Reverse Stock Split [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Fair value of award (in dollars per share) | $ / shares |  |  |  |  | $ 1.01 |  |  |  |
2016 Plan [Member] | Reverse Stock Split in May 2024 [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Number of shares of the company’s common stock authorized for issuance |  |  |  |  |  |  |  | 181,250 | 1,250
2016 Plan [Member] | Before Adjustment of Reverse Stock Split [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |  |
Number of shares of the company’s common stock authorized for issuance |  |  |  |  |  |  |  | 3,625,000 | 25,000

X
- Definition The amount of stock units granted. + References No definition available. + Details
Name: | sgbx_FairValueOfRestrictedUnits
Namespace Prefix: | sgbx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents number of directors. + References No definition available. + Details
Name: | sgbx_NumberOfDirectors
Namespace Prefix: | sgbx_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents number of employees. + References No definition available. + Details
Name: | sgbx_NumberOfEmployees
Namespace Prefix: | sgbx_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479830/718-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 + Details
Name: | us-gaap_ShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares authorized for issuance under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Price of a single share of a number of saleable stocks of a company. + References No definition available. + Details
Name: | us-gaap_SharePrice
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sgbx_StockSplitStatusAxis=sgbx_ReverseStockSplitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sgbx_StockSplitStatusAxis=sgbx_BeforeAdjustmentOfReverseStockSplitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=sgbx_EmployeeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=sgbx_NonEmployeeDirectorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=sgbx_PaulGalvinAndSevenEmployeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=sgbx_FourNonEmployeeDirectorsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=sgbx_FiveNonEmployeeDirectorsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=sgbx_PaulGalvinAndSixEmployeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=sgbx_TwoThousandSixteenPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |