XML 82 R69.htm IDEA: XBRL DOCUMENT
v3.21.1

Share-based Compensation (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Stock-Based Compensation Expense |  |
Total | $ 1,261,215 | $ 729,404
Stock options [Member] |  |
Stock-Based Compensation Expense |  |
Total | 10,667 | 150,580
RSUs [Member] |  |
Stock-Based Compensation Expense |  |
Total | 1,250,548 | 578,824
Share-based Payment Arrangement [Member] |  |
Stock-Based Compensation Expense |  |
Total | 1,261,215 | 729,404
Share-based Payment Arrangement [Member] | Payroll and related expenses [Member] |  |
Stock-Based Compensation Expense |  |
Total | 1,204,095 | 715,904
Share-based Payment Arrangement [Member] | Marketing and business development expenses [Member] |  |
Stock-Based Compensation Expense |  |
Total | $ 57,120 | $ 13,500

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_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
Name: | us-gaap_ShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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

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