XML 60 R52.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Construction Backlog (Details) - USD ($) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2022 | Dec. 31, 2021
Construction Backlog [Abstract] |  |
Balance - beginning of period | $ 3,217,909 | $ 25,117,461
New contracts and change orders during the period | 7,018,469 | 3,191,335
Adjustments and cancellations, net | (96,908) | (18,297,197)
Subtotal | 10,139,470 | 10,011,599
Less: contract revenue earned during the period | (5,956,354) | (6,793,690)
Balance - end of period | $ 4,183,116 | $ 3,217,909

X
- Definition Adjustments and cancellations, net. + References No definition available. + Details
Name: | sgbx_AdjustmentsAndCancellationsNet
Namespace Prefix: | sgbx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Construction Backlog Gross + References No definition available. + Details
Name: | sgbx_ConstructionBacklogGross
Namespace Prefix: | sgbx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Construction contracts backlog. + References No definition available. + Details
Name: | sgbx_ConstructionContractsBacklog
Namespace Prefix: | sgbx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of contract revenue. + References No definition available. + Details
Name: | sgbx_ContractRevenue
Namespace Prefix: | sgbx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition New contracts received during the year. + References No definition available. + Details
Name: | sgbx_NewContractsReceivedDuringYear
Namespace Prefix: | sgbx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration