Project Development Costs and Other Non-Current Assets (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Project Development Costs and Other Non-Current Assets
Project development costs	$ 719,610
Security deposits	203,562
Project development costs and other non-current assets	$ 923,172

The amount of non-current project development costs and other non-current assets.

No definition available.

Name:	sgbx_ProjectDevelopmentCostsAndOtherNonCurrentAssets
Namespace Prefix:	sgbx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant