XML 68 R60.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Share-based Compensation (Details Textual) |  |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 07, 2021 Director $ / shares shares | Oct. 01, 2021 USD ($) Director Employee Consultants $ / shares shares | Oct. 01, 2021 Employee Consultants $ / shares shares | Dec. 09, 2020 $ / shares shares | Nov. 11, 2020 $ / shares shares | Apr. 14, 2020 | Oct. 09, 2019 shares | Jan. 15, 2019 | Sep. 23, 2020 Employee Consultants $ / shares shares | Aug. 27, 2020 shares | Aug. 31, 2019 shares | Jun. 05, 2019 $ / shares shares | Mar. 22, 2019 Consultants $ / shares shares | Feb. 26, 2019 Employee | Oct. 26, 2016 shares | Sep. 30, 2022 USD ($) Consultants $ / shares shares | Sep. 30, 2021 USD ($) | Jun. 30, 2021 USD ($) | Sep. 30, 2022 USD ($) Consultants $ / shares shares | Sep. 30, 2021 USD ($) | Oct. 31, 2021 $ / shares | May 31, 2020 $ / shares | Jun. 30, 2017 $ / shares
Stock Options and Grants (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock-based compensation | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,874,857 | $ 778,657 |  |  |
Restricted stock or options issued, shares |  | 475,000 | 1,214,500 |  |  |  | 2,500 |  | 425,000 | 200,000 |  | 9,189 |  |  | 25,000 |  |  |  |  |  |  |  |
Common stock available for issuance, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,343,377 |  |  | 1,343,377 |  |  |  |
Recognized stock-based compensation expense | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 |  | $ 0 | 2,666 |  |  |
Unrecognized compensation costs | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average share price | $ / shares |  | $ 3.38 | $ 3.38 |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.77 |  |  | $ 1.77 |  | $ 4.8 | $ 3.14 | $ 125
Shares, Granted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options vested, description |  |  |  |  |  |  |  |  | the Company's common stock on September 23, 2020. Restricted stock units granted to Mr. Armstrong, Mr. Sheeran, and an aggregate of seven employees and one consultant of 50,000, 75,000 and an aggregate of 300,000, respectively, and 1/3 will vest on September 23, 2020, 1/3 on the one year anniversary of the grant date and 1/3 on the two year anniversary of the grant date. The fair value of these units upon issuance amounted to $769,250. |  |  |  |  |  |  |  |  |  | the Company’s common stock for the ten trading days immediately preceding and including the grant date. Restricted stock units granted to directors on June 5, 2019 vest on the earlier of (A) the first anniversary of the date of the grant or (B) the date of the annual meeting of the Company’s stockholders that occurs in the year immediately following the date of the grant; and are payable six months after the termination of the director from the Board or death or disability. |  |  |  |
Unrecognized compensation costs | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 750,430 |  |  |  |
Number of consultants | Consultants |  |  |  |  |  |  |  |  | 1 |  |  |  | 1 |  |  |  |  |  |  |  |  |  |
Award granted (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of award (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 1.81 |  |  | $ 16.4 |  |  |  |  |  |  |  |  |  |  |
Description of restricted stock units granted |  |  |  |  |  |  |  | a total of 526 of restricted stock units were granted to two of the Company’s non-employee directors, under the Incentive Plan, at the calculated fair value of $58.80 and $55.20 per share, respectively, which represents the average closing price of the Company’s common stock for the ten trading days immediately preceding and including the grant date as adjusted for stock splits. |  |  |  |  |  | a total of 526 of restricted stock units were granted to two of the Company’s non-employee directors, under the Incentive Plan, at the calculated fair value of $58.80 and $55.20 per share, respectively, which represents the average closing price of the Company’s common stock for the ten trading days immediately preceding and including the grant date as adjusted for stock splits. |  |  |  |  | Restricted stock units granted to Mr. Galvin, Mr. Armstrong, Mr. Shetty, and an aggregate of six employees and one consultant of 6,139, 772, 5,729 and an aggregate of 3,063, respectively, vest in installments over either a one-year, two-year, three-year and four-year period and will fully vest by the end of December 31, 2022. The fair value of these units upon issuance amounted to $847,957. |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  |  |  |  |  |  |  |  | 45,000 |  |  |  | 3,625,000 |  |  |  |  |  |  |  |
Restricted Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Options and Grants (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock-based compensation | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 594,694 | $ 246,236 |  | $ 1,874,857 | $ 775,991 |  |  |
Vesting Period |  | 2 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of employees | Employee |  | 13 | 13 |  |  |  |  |  | 7 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of consultants | Consultants |  | 3 | 3 |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  | 2 |  |  |  |
Mr. Galvin [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Options and Grants (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted stock or options issued, shares |  | 350,000 |  | 372,000 |  |  |  |  |  |  |  |  | 15,703 |  |  |  |  |  |  |  |  |  |
Options vested, description |  |  |  | the Company's common stock on December 9, 2020. Restricted stock units granted to Mr. Galvin will vest 1/2 on December 9, 2020 and 1/2 on the first year anniversary of the grant date. The fair value of these units upon issuance amounted to $1,220,160. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of employees | Employee |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 |  |  |  |  |  |  |  |  |
Fair value of award (in dollars per share) | $ / shares |  |  |  | $ 3.28 |  |  |  |  |  |  |  |  | $ 54 |  |  |  |  |  |  |  |  |  |
Stevan Armstrong [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Options and Grants (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted stock or options issued, shares |  | 40,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Employees [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Options and Grants (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Description of restricted stock units granted |  |  |  |  |  | a total of 35,331 of restricted stock units were granted to Mr. Galvin, Mr. Armstrong, Mr. Sheeran, five employees and two consultants of the Company, under the Company's stock-based compensation plan, at the fair value of $4.76 per share, which represents the closing price of the Company's common stock on April 14, 2020. Restricted stock units granted to Mr. Galvin, Mr. Armstrong, Mr. Sheeran, and an aggregate of five employees and one consultant of 11,331, 1,000, 3,000 and an aggregate of 8,000, respectively, will vest in full on the first anniversary of the vesting commencement date and one consultant received 12,000 restricted stock units that vested immediately on April 15, 2020. The fair value of these units upon issuance amounted to $168,176. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-employee director [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Options and Grants (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted stock or options issued, shares |  | 59,170 |  |  | 46,826 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average share price | $ / shares |  | $ 3.38 | $ 3.38 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options vested, description |  |  |  |  | The restricted stock units granted on November 11, 2020 will vest 1/2 on November 11, 2020 and 1/2 on the one year anniversary of the grant date, subject to each individual’s continued service as a director of the Company through such date, and are payable six months after the termination of the director from the Company’s Board of Directors or death or disability. The fair value of these units upon issuance amounted to $111,920. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of award (in dollars per share) | $ / shares |  |  |  |  | $ 2.39 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Description of restricted stock units granted |  |  |  |  |  | a total of 12,000 of restricted stock units were granted to three of the Company’s non-employee directors, under the Incentive Plan, at the calculated fair value of $4.76 per share, which represents the closing price of the Company’s common stock on April 14, 2020. The restricted stock units granted on April 14, 2020 will fully vest on April 14, 2021, subject to each individual’s continued service as a director of the Company through such date, and are payable six months after the termination of the director from the Company’s Board of Directors or death or disability. The fair value of these units upon issuance amounted to $57,120. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gerald Sheeran Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Options and Grants (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted stock or options issued, shares |  | 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consultant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Options and Grants (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted stock or options issued, shares |  | 12,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consultant [Member] | Restricted Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Options and Grants (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of consultants | Consultants |  | 1 | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rogers [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Options and Grants (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted stock or options issued, shares |  | 37,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rogers [Member] | Restricted Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Options and Grants (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares, Granted |  | 200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting Period |  | 2 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of restricted units | $ |  | $ 4,105,010 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-employee advisory directors [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Options and Grants (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted stock or options issued, shares | 62,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average share price | $ / shares | $ 2.36 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-employee advisory directors [Member] | Restricted Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Options and Grants (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting Period | 1 year | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Directors | Director | 5 | 5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock-Based Option [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Options and Grants (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock-based compensation | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 |  |  |  |

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
- References No definition available. + Details
Name: | sgbx_NumberOfConsultants
Namespace Prefix: | sgbx_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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 The description of options vested. + References No definition available. + Details
Name: | sgbx_OptionsVestedDescription
Namespace Prefix: | sgbx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | sgbx_StockOptionsAndGrantsTextualAbstract
Namespace Prefix: | sgbx_
Data Type: | xbrli:stringItemType
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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Gross number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of modification of award under share-based payment arrangement. Includes, but is not limited to, terms for expiration date, vesting rights and exercise price. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationDescriptionAndTerms
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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 Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Number of new stock issued during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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 -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + 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: | srt_TitleOfIndividualAxis=srt_ChiefExecutiveOfficerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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