$SGBX
SAFE & GREEN HOLDINGS CORP. Stock $sgbx

$sgbx Overview Financials Valuation SEC Filings Company Website

2020 Q4 Form 10-Q Financial Statement

#000121390020038250 Filed on November 19, 2020

Income Statement

Concept	2020 Q4	2020 Q3	2020 Q2
Revenue	$7.350M	$576.6K	$628.9K
YoY Change	2061.76%	212.45%	-13.59%
Cost Of Revenue	$5.750M	$382.0K	$254.7K
YoY Change	1882.76%	4.14%	-44.7%
Gross Profit	$1.610M	$194.6K	$374.2K
YoY Change	3120.0%	-206.78%	40.0%
Gross Profit Margin	21.9%	33.75%	59.5%
Selling, General & Admin	$3.070M	$1.720M	$1.210M
YoY Change	184.26%	217.49%	104.78%
% of Gross Profit	190.68%	883.84%	323.33%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$90.00K	$1.011K	$924.00
YoY Change	125.0%	-67.76%	-70.54%
% of Gross Profit	5.59%	0.52%	0.25%
Operating Expenses	$3.070M	$1.720M	$1.215M
YoY Change	184.26%	57.62%	-1.94%
Operating Profit	-$1.460M	-$1.525M	-$840.8K
YoY Change	41.75%	19.78%	-13.48%
Interest Expense	$20.00K	$2.614K	$3.452K
YoY Change	-111.11%
% of Operating Profit
Other Income/Expense, Net	$0.00	$47.06K	$2.781K
YoY Change	-100.0%	-190.43%
Pretax Income	-$1.440M	-$1.478M	-$838.0K
YoY Change	-65.13%	11.53%	-13.76%
Income Tax	$0.00
% Of Pretax Income
Net Earnings	-$1.630M	-$1.478M	-$838.0K
YoY Change	-60.53%	11.53%	-13.76%
Net Earnings / Revenue	-22.18%	-256.4%	-133.23%
Basic Earnings Per Share
Diluted Earnings Per Share	-$188.9K	-$172.1K	-$156.4K
COMMON SHARES
Basic Shares Outstanding	8.596M shares	8.596M shares	7.611M shares
Diluted Shares Outstanding

Balance Sheet

Concept	2020 Q4	2020 Q3	2020 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$13.01M	$13.05M	$16.11M
YoY Change	698.16%		9376.47%
Cash & Equivalents	$13.01M	$13.05M	$16.11M
Short-Term Investments
Other Short-Term Assets	$570.0K	$24.86M	$17.30
YoY Change	-96.76%	39.66%	-100.0%
Inventory	$778.1K	$812.3K	$0.00
Prepaid Expenses
Receivables	$2.636M	$4.337M	$1.584M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$18.30M	$18.62M	$17.99M
YoY Change	529.49%	1055.1%	860.02%
LONG-TERM ASSETS
Property, Plant & Equipment	$2.683M	$1.730M	$9.899K
YoY Change	22739.99%	13552.59%	-84.78%
Goodwill	$1.309M	$1.224M	$1.224M
YoY Change	7.01%	-70.6%	-70.6%
Intangibles	$2.219M		$2.226M
YoY Change	-3.49%		-6.12%
Long-Term Investments
YoY Change
Other Assets	$150.0K	$160.0K	$170.0K
YoY Change	-21.05%
Total Long-Term Assets	$8.584M	$7.708M	$4.294M
YoY Change	130.27%	18.4%	-34.92%
TOTAL ASSETS
Total Short-Term Assets	$18.30M	$18.62M	$17.99M
Total Long-Term Assets	$8.584M	$7.708M	$4.294M
Total Assets	$26.88M	$26.33M	$22.28M
YoY Change	305.18%	224.14%	162.98%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$3.012M	$1.990M	$1.860M
YoY Change	42.76%	9.94%	11.38%
Accrued Expenses	$310.0K	$310.0K	$6.263K
YoY Change
Deferred Revenue	$1.775M	$2.861M	$148.9K
YoY Change	950.41%	1086.58%	-19.29%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$20.00K	$20.00K
YoY Change
Total Short-Term Liabilities	$7.235M	$5.941M	$2.012M
YoY Change	218.08%	190.02%	8.55%
LONG-TERM LIABILITIES
Long-Term Debt	$30.00K	$40.00K	$0.00
YoY Change
Other Long-Term Liabilities	$1.180M	$1.260M
YoY Change
Total Long-Term Liabilities	$1.210M	$1.300M	$0.00
YoY Change
TOTAL LIABILITIES
Total Short-Term Liabilities	$7.235M	$5.941M	$2.012M
Total Long-Term Liabilities	$1.210M	$1.300M	$0.00
Total Liabilities	$8.444M	$7.233M	$2.010M
YoY Change	271.26%	252.85%	8.65%
SHAREHOLDERS EQUITY
Retained Earnings	-$22.28M	-$20.65M	-$19.17M
YoY Change	26.69%	53.5%	58.09%
Common Stock	$85.96K	$85.96K	$85.96K
YoY Change	642.4%	43.08%	68.29%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$18.25M	$19.09M	$20.27M
YoY Change
Total Liabilities & Shareholders Equity	$26.88M	$26.33M	$22.28M
YoY Change	305.18%	224.14%	162.98%

Cashflow Statement

Concept	2020 Q4	2020 Q3	2020 Q2
OPERATING ACTIVITIES
Net Income	-$1.630M	-$1.478M	-$838.0K
YoY Change	-60.53%	11.53%	-13.76%
Depreciation, Depletion And Amortization	$90.00K	$1.011K	$924.00
YoY Change	125.0%	-67.76%	-70.54%
Cash From Operating Activities	$1.560M	-$2.270M	-$1.150M
YoY Change	-587.5%	202.67%	82.54%
INVESTING ACTIVITIES
Capital Expenditures	-$1.520M	-$50.00K
YoY Change
Acquisitions
YoY Change
Other Investing Activities	-$90.00K	-$740.0K	-$250.0K
YoY Change
Cash From Investing Activities	-$1.610M	-$790.0K	-$250.0K
YoY Change
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	0.000	0.000	17.12M
YoY Change	-100.0%	-100.0%	3012.73%
NET CHANGE
Cash From Operating Activities	1.560M	-2.270M	-1.150M
Cash From Investing Activities	-1.610M	-790.0K	-250.0K
Cash From Financing Activities	0.000	0.000	17.12M
Net Change In Cash	-50.00K	-3.060M	15.72M
YoY Change	-103.11%	1812.5%	-19750.0%
FREE CASH FLOW
Cash From Operating Activities	$1.560M	-$2.270M	-$1.150M
Capital Expenditures	-$1.520M	-$50.00K
Free Cash Flow	$3.080M	-$2.220M
YoY Change	-1062.5%	196.0%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	sgbx	Share Based Compensation Arrangement By Share Based Payment Award Options Exercised In Period Weighted Average Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedInPeriodWeightedAverageFairValue
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	30590	USD
	sgbx	Doubtful Accounts Recovered DoubtfulAccountsRecovered		USD
	sgbx	Doubtful Accounts Recovered DoubtfulAccountsRecovered	54000	USD
	us-gaap	Gain Loss On Investments GainLossOnInvestments	23185	USD
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Document Type DocumentType	10-Q
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	10004
	dei	City Area Code CityAreaCode	(646)
CY2020Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	8596189	shares
	dei	Local Phone Number LocalPhoneNumber	240-4235
	dei	Security12b Title Security12bTitle	Common Stock, par value $0.01 per share
	dei	Trading Symbol TradingSymbol	SGBX
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	8596189	shares
	sgbx	Description Of Claimed Amount DescriptionOfClaimedAmount	the company and its Chairman and Chief Executive Officer, Paul Galvin, claiming (i) $372,638 in unpaid wages and bonuses and (ii) $0 due in severance (hereafter the “Action”).
CY2019Q3	us-gaap	Inventory Net InventoryNet	0	USD
CY2019Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
	dei	Document Period End Date DocumentPeriodEndDate	2020-09-30
	dei	Entity File Number EntityFileNumber	001-38037
	dei	Entity Registrant Name EntityRegistrantName	SG BLOCKS, INC.
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	95-4463937
	dei	Entity Address Address Line1 EntityAddressAddressLine1	17 State Street,
	dei	Entity Address Address Line2 EntityAddressAddressLine2	19th Floor,
	dei	Entity Address City Or Town EntityAddressCityOrTown	New York
	dei	Entity Address State Or Province EntityAddressStateOrProvince	NY
CY2020Q2	us-gaap	Other Commitments Description OtherCommitmentsDescription	provide for a performance bonus structure for a bonus of up to 50% of base salary upon the Company’s achievement of $2,000,000 EBITDA and additional performance bonus payments for the achievement of EBITDA in excess of $2,000,000 based on a percentage of the incremental increase in EBITDA (ranging from 10% of the incremental increase in EBITDA if the Company achieves over $2,000,000 and up to $7,000,000 in EBITDA, 8% of the incremental increase in EBITDA if the Company achieves over $7,000,000 and up to $12,000,000 in EBITDA and 3% of the incremental increase in EBITDA over $12,000,000), provide for a profits-based additional bonus of up to $250,000 in certain limited circumstances, and provide for one (1) year severance, plus a pro-rated amount of any unpaid bonus earned by him during the year as verified by the Company’s principal financial officer, if Mr. Galvin is terminated without cause. At the Company’s option, up to fifty (50%) percent of the EBITDA performance bonuses may be paid in restricted stock units if then available for grant under the Company’s Stock Incentive Plan.
	dei	Entity Shell Company EntityShellCompany	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Central Index Key EntityCentralIndexKey	0001023994
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	true
CY2020Q3	us-gaap	Depreciation Depreciation	1011	USD
	us-gaap	Operating Expenses OperatingExpenses	3365040	USD
	us-gaap	Interest Expense InterestExpense	8877	USD
CY2020Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	13047565	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1625671	USD
CY2020Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	4337020	USD
CY2020Q3	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	151230	USD
CY2019Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	106015	USD
CY2020Q3	us-gaap	Inventory Net InventoryNet	812320	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet		USD
CY2020Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	270481	USD
CY2019Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	73938	USD
CY2020Q3	us-gaap	Assets Current AssetsCurrent	18618616	USD
CY2019Q4	us-gaap	Assets Current AssetsCurrent	2906809	USD
CY2020Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1729920	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	11747	USD
CY2020Q3	us-gaap	Goodwill Goodwill	1223520	USD
CY2019Q4	us-gaap	Goodwill Goodwill	1223520	USD
CY2020Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1624194	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset		USD
CY2020Q3	us-gaap	Notes And Loans Receivable Net Noncurrent NotesAndLoansReceivableNetNoncurrent	673185	USD
CY2019Q4	us-gaap	Notes And Loans Receivable Net Noncurrent NotesAndLoansReceivableNetNoncurrent		USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	2298805	USD
CY2020Q3	us-gaap	Deferred Costs DeferredCosts	163140	USD
CY2019Q4	us-gaap	Deferred Costs DeferredCosts	193730	USD
CY2020Q3	us-gaap	Assets Assets	26326256	USD
CY2019Q4	us-gaap	Assets Assets	6634611	USD
CY2020Q3	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	1990993	USD
CY2019Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	2105505	USD
CY2020Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	2860730	USD
CY2019Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	168957	USD
CY2020Q3	sgbx	Earnout Liabilities EarnoutLiabilities	752559	USD
CY2019Q4	sgbx	Earnout Liabilities EarnoutLiabilities		USD
CY2020Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	331905	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent		USD
CY2020Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	5000	USD
CY2019Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent		USD
CY2020Q3	us-gaap	Liabilities Current LiabilitiesCurrent	5941187	USD
CY2019Q4	us-gaap	Liabilities Current LiabilitiesCurrent	2274462	USD
CY2020Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	1292289	USD
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent		USD
CY2020Q3	us-gaap	Liabilities Liabilities	7233476	USD
CY2019Q4	us-gaap	Liabilities Liabilities	2274462	USD
CY2020Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2019Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2019Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2020Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5405010	shares
CY2020Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5405010	shares
CY2020Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2020Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2020Q3	us-gaap	Preferred Stock Value PreferredStockValue		USD
CY2019Q4	us-gaap	Preferred Stock Value PreferredStockValue		USD
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2020Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	25000000	shares
CY2019Q3	us-gaap	Gross Profit GrossProfit	-182257	USD
CY2020Q3	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	46650	USD
CY2020Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	47057	USD
CY2020Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-20647490	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	19092780	USD
	us-gaap	Profit Loss ProfitLoss	-3063673	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	471683	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	471683	USD
CY2020Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	25000000	shares
CY2020Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	8596189	shares
CY2020Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	8596189	shares
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	1157890	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	1157890	shares
CY2020Q3	us-gaap	Common Stock Value CommonStockValue	85962	USD
CY2019Q4	us-gaap	Common Stock Value CommonStockValue	11579	USD
CY2020Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	39654308	USD
CY2019Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	21932387	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-17583817	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	19092780	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	4360149	USD
CY2020Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	26326256	USD
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	6634611	USD
CY2020Q3	us-gaap	Revenues Revenues	576560	USD
CY2019Q3	us-gaap	Revenues Revenues	184526	USD
	us-gaap	Revenues Revenues	1404265	USD
	us-gaap	Revenues Revenues	2647558	USD
CY2020Q3	us-gaap	Cost Of Revenue CostOfRevenue	381954	USD
CY2019Q3	us-gaap	Cost Of Revenue CostOfRevenue	366783	USD
	us-gaap	Cost Of Revenue CostOfRevenue	789445	USD
	us-gaap	Cost Of Revenue CostOfRevenue	2018392	USD
CY2020Q3	us-gaap	Gross Profit GrossProfit	194606	USD
	us-gaap	Gross Profit GrossProfit	614820	USD
	us-gaap	Gross Profit GrossProfit	629166	USD
CY2020Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	679863	USD
CY2019Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	548156	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1344009	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1832333	USD
CY2020Q3	us-gaap	Other General And Administrative Expense OtherGeneralAndAdministrativeExpense	980773	USD
CY2019Q3	us-gaap	Other General And Administrative Expense OtherGeneralAndAdministrativeExpense	478726	USD
	us-gaap	Other General And Administrative Expense OtherGeneralAndAdministrativeExpense	2238837	USD
	us-gaap	Other General And Administrative Expense OtherGeneralAndAdministrativeExpense	1318390	USD
CY2019Q3	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	63016	USD
	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	109887	USD
	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	194591	USD
CY2020Q3	us-gaap	Other General Expense OtherGeneralExpense	12650	USD
CY2019Q3	us-gaap	Other General Expense OtherGeneralExpense	1275	USD
	us-gaap	Other General Expense OtherGeneralExpense	37650	USD
	us-gaap	Other General Expense OtherGeneralExpense	19726	USD
CY2020Q3	us-gaap	Operating Expenses OperatingExpenses	1719936	USD
CY2019Q3	us-gaap	Operating Expenses OperatingExpenses	1091173	USD
	us-gaap	Operating Expenses OperatingExpenses	3730383	USD
CY2020Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-1525330	USD
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-1273430	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	-3115563	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	-2735874	USD
CY2020Q3	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-1012	USD
CY2019Q3	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-52039	USD
	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-1012	USD
	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-52039	USD
CY2020Q3	us-gaap	Interest Expense InterestExpense	2614	USD
CY2019Q3	us-gaap	Interest Expense InterestExpense		USD
	us-gaap	Interest Expense InterestExpense		USD
CY2020Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	27401	USD
CY2019Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest		USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	38497	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	471683	USD
	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits		USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest		USD
CY2020Q3	us-gaap	Other Income OtherIncome	23282	USD
CY2019Q3	us-gaap	Other Income OtherIncome		USD
	us-gaap	Other Income OtherIncome	23282	USD
	us-gaap	Other Income OtherIncome		USD
CY2019Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-52039	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	51890	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-52039	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-1478273	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-1325469	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-3063673	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-2787913	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit		USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit		USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit		USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-1478273	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	-1325469	USD
	us-gaap	Net Income Loss NetIncomeLoss	-3063673	USD
	us-gaap	Net Income Loss NetIncomeLoss	-2787913	USD
CY2020Q3	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.17
CY2019Q3	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-4.66
	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.60
	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-11.29
CY2020Q3	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	8596189	shares
CY2019Q3	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	284737	shares
	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	5070816	shares
	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	246927	shares
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	20267884	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	303169	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits		USD
CY2020Q3	sgbx	Conversion Of Debt Exchange Value ConversionOfDebtExchangeValue		USD
CY2020Q3	sgbx	Stock Issued During Period Issuance Of Common Stock Net Of Issuance Costs StockIssuedDuringPeriodIssuanceOfCommonStockNetOfIssuanceCosts		USD
CY2020Q3	us-gaap	Profit Loss ProfitLoss	-1478273	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	4360149	USD
	sgbx	Stock Issued During Period Values Reverse Stock Splits StockIssuedDuringPeriodValuesReverseStockSplits	-122	USD
	sgbx	Conversion Of Debt Exchange Value ConversionOfDebtExchangeValue	206263	USD
	sgbx	Stock Issued During Period Issuance Of Common Stock Net Of Issuance Costs StockIssuedDuringPeriodIssuanceOfCommonStockNetOfIssuanceCosts	17118480	USD
	us-gaap	Profit Loss ProfitLoss	-3063673	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	19092780	USD
CY2019Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	197090	USD
CY2019Q3	sgbx	Stock Issued During Period Issuance Of Common Stock Net Of Issuance Costs StockIssuedDuringPeriodIssuanceOfCommonStockNetOfIssuanceCosts	583306	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	-1325469	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	6073249	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	645080	USD
	sgbx	Stock Issued During Period Issuance Of Common Stock Net Of Issuance Costs StockIssuedDuringPeriodIssuanceOfCommonStockNetOfIssuanceCosts	1136015	USD
	us-gaap	Profit Loss ProfitLoss	-2787913	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	6073249	USD
	us-gaap	Depreciation Depreciation	2858	USD
	us-gaap	Depreciation Depreciation	8697	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	108842	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	108843	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	7080067	USD
	us-gaap	Gain Loss On Investments GainLossOnInvestments		USD
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization		USD
	us-gaap	Share Based Compensation ShareBasedCompensation	482139	USD
	sgbx	Loss On Asset Disposal LossOnAssetDisposal	1012	USD
	sgbx	Loss On Asset Disposal LossOnAssetDisposal	52039	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	2581925	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-363987	USD
	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	14786	USD
	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-251636	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	681521	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories		USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	189143	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-821802	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-841778	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-653821	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	2322164	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-1093796	USD
	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	5000	USD
	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities		USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-4453862	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-2500387	USD
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	650000	USD
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable		USD
	sgbx	Proceeds From Acquisition ProceedsFromAcquisition	743168	USD
	sgbx	Proceeds From Acquisition ProceedsFromAcquisition		USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	49434	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2070	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1442602	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2070	USD
	us-gaap	Proceeds From Issuance Initial Public Offering ProceedsFromIssuanceInitialPublicOffering	17118480	USD
	us-gaap	Proceeds From Issuance Initial Public Offering ProceedsFromIssuanceInitialPublicOffering	1136015	USD
	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	200000	USD
	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable		USD
	sgbx	Settlement Of Common Stock From Reverse Stock Split SettlementOfCommonStockFromReverseStockSplit	122	USD
	sgbx	Settlement Of Common Stock From Reverse Stock Split SettlementOfCommonStockFromReverseStockSplit		USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	17318358	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1136015	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	11421894	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-1366442	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1625671	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1368395	USD
CY2020Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	13047565	USD
CY2019Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1953	USD
	us-gaap	Debt Conversion Converted Instrument Amount1 DebtConversionConvertedInstrumentAmount1	6263	USD
	us-gaap	Debt Conversion Converted Instrument Amount1 DebtConversionConvertedInstrumentAmount1		USD
	sgbx	Conversion Of Long Term Debt ConversionOfLongTermDebt	200000	USD
	sgbx	Conversion Of Long Term Debt ConversionOfLongTermDebt		USD
	us-gaap	Stock Issued1 StockIssued1		USD
	us-gaap	Stock Issued1 StockIssued1	162941	USD
	sgbx	Non Cash Operating Activities NonCashOperatingActivities	206263	USD
	sgbx	Non Cash Operating Activities NonCashOperatingActivities	162941	USD
CY2020Q1	us-gaap	Stockholders Equity Reverse Stock Split StockholdersEquityReverseStockSplit	1-for-20
CY2020Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	8596189	shares
CY2020Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	8596189	shares
CY2020Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	13047565	USD
CY2020Q3	us-gaap	Other Assets Current OtherAssetsCurrent	24860000	USD
CY2020Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	24865499	USD
CY2019Q2	us-gaap	Proceeds From Other Equity ProceedsFromOtherEquity	1136015	USD
CY2019Q3	us-gaap	Proceeds From Other Equity ProceedsFromOtherEquity	1136015	USD
CY2019Q4	sgbx	Proceeds From Public Offering ProceedsFromPublicOffering	326000	USD
CY2019Q4	us-gaap	Proceeds From Other Equity ProceedsFromOtherEquity	2117948	USD
	us-gaap	Other Cost Of Operating Revenue OtherCostOfOperatingRevenue	16900000	USD
	us-gaap	Short Term Debt Interest Rate Increase ShortTermDebtInterestRateIncrease	1	pure
CY2020Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	576560	USD
CY2020Q3	sgbx	Revenue From Contract With Customer Excluding Assessed Tax Percentage RevenueFromContractWithCustomerExcludingAssessedTaxPercentage	1	pure
CY2020Q2	us-gaap	Proceeds From Other Equity ProceedsFromOtherEquity	1522339	USD
CY2020Q2	us-gaap	Proceeds From Other Equity ProceedsFromOtherEquity	15596141	USD
	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family: 'times new roman', times; font-size: 10pt;"> <div> <div style="border-left: none; border-right: none;"> <div style="border-left: none; border-right: none;"> <div> <div> <p style="color: #000000; font: 10pt 'Times New Roman', Times, serif; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; margin: 0pt 0px 0pt 0.5in;"><span style="color: black;"><span style="border-left: none; border-right: none; line-height: inherit;"><span style="border-right: none; border-left: none; line-height: inherit;"><b><i>Accounting estimates<span style="line-height: inherit;"> </span></i></b>– The preparation of condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amount of revenues and expenses during the reporting period. Significant areas that require the Company to make estimates include revenue recognition, stock-based compensation, stock warrants liabilities and allowance for credit losses. Actual results could differ from those estimates.</span></span></span></p> </div> </div> </div> </div> </div> </div>
	sgbx	Operating Cycles OperatingCycles	one year
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalent Item Description RestrictedCashAndCashEquivalentItemDescription	Under the Agreement, the Company has a right of first refusal with respect to being engaged as a designer and builder of any real estate projects for which CMC has secured the rights to develop and in which CMC has a greater than <span style="border-left: none; border-right: none; line-height: inherit;"><span class="ng-scope" style="border-left: none; border-right: none; line-height: inherit;"><span style="display: inline; line-height: inherit;"><span class="ng-scope" style="border-left: none; border-right: none; line-height: inherit;"><span style="border-left: none; border-right: none; line-height: inherit;">fifty</span></span></span></span></span> percent (<span style="border-left: none; border-right: none; line-height: inherit;"><span class="ng-scope" style="border-left: none; border-right: none; line-height: inherit;"><span style="display: inline; line-height: inherit;"><span style="border-left: none; border-right: none; line-height: inherit;"><span class="ng-scope" style="border-left: none; border-right: none; line-height: inherit;"><span style="border-left: none; border-right: none; line-height: inherit;">50</span></span></span></span></span></span>%) interest in the owner or developer entity and has the right to select the builder for such real estate project (the “<span style="font-style: italic; line-height: inherit;">ROFR Rights</span>”). In exchange for such ROFR Rights, the Company agreed to issue to CMC <span style="border-left: none; border-right: none; line-height: inherit;"><span class="ng-scope" style="border-left: none; border-right: none; line-height: inherit;"><span style="display: inline; line-height: inherit;"><span style="border-left: none; border-right: none; line-height: inherit;"><span class="ng-scope" style="border-left: none; border-right: none; line-height: inherit;"><span style="border-left: none; border-right: none; line-height: inherit;">2,500</span></span></span></span></span></span> shares of restricted stock of the Company’s common stock, of which <span style="border-left: none; border-right: none; line-height: inherit;"><span class="ng-scope" style="border-left: none; border-right: none; line-height: inherit;"><span style="display: inline; line-height: inherit;"><span style="border-left: none; border-right: none; line-height: inherit;"><span class="ng-scope" style="border-left: none; border-right: none; line-height: inherit;"><span style="border-left: none; border-right: none; line-height: inherit;">1,250</span></span></span></span></span></span> shares vested on September 30, 2020 and the remaining <span style="border-left: none; border-right: none; line-height: inherit;"><span class="ng-scope" style="border-left: none; border-right: none; line-height: inherit;"><span style="display: inline; line-height: inherit;"><span style="border-left: none; border-right: none; line-height: inherit;"><span class="ng-scope" style="border-left: none; border-right: none; line-height: inherit;"><span style="border-left: none; border-right: none; line-height: inherit;">1,250</span></span></span></span></span></span> shares will vest and be issued on September 30, 2021, unless the Agreement is earlier terminated. In the event that the Agreement is earlier terminated, CMC will still be entitled to receive the entire amount of such restricted stock that has vested as of such earlier termination date, but in no event less than <span style="border-left: none; border-right: none; line-height: inherit;"><span class="ng-scope" style="border-left: none; border-right: none; line-height: inherit;"><span style="display: inline; line-height: inherit;"><span style="border-left: none; border-right: none; line-height: inherit;"><span class="ng-scope" style="border-left: none; border-right: none; line-height: inherit;"><span style="border-left: none; border-right: none; line-height: inherit;">1,250</span></span></span></span></span></span> shares of such restricted stock. The Agreement also provides for customary indemnification and confidentiality obligations between the parties. The <span style="border-left: none; border-right: none; line-height: inherit;"><span class="ng-scope" style="border-left: none; border-right: none; line-height: inherit;"><span style="display: inline; line-height: inherit;"><span style="border-left: none; border-right: none; line-height: inherit;"><span class="ng-scope" style="border-left: none; border-right: none; line-height: inherit;"><span style="border-left: none; border-right: none; line-height: inherit;">2,500</span></span></span></span></span></span> shares of restricted stock of the Company's common stock has yet to be issued to CMC.
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	184526	USD
CY2019Q3	sgbx	Revenue From Contract With Customer Excluding Assessed Tax Percentage RevenueFromContractWithCustomerExcludingAssessedTaxPercentage	1	pure
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1404265	USD
	sgbx	Revenue From Contract With Customer Excluding Assessed Tax Percentage RevenueFromContractWithCustomerExcludingAssessedTaxPercentage	1	pure
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2647558	USD
	sgbx	Revenue From Contract With Customer Excluding Assessed Tax Percentage RevenueFromContractWithCustomerExcludingAssessedTaxPercentage	1	pure
CY2020Q3	us-gaap	Construction Payable Current And Noncurrent ConstructionPayableCurrentAndNoncurrent	300000	USD
CY2020Q3	us-gaap	Accounts Receivable Related Parties Current AccountsReceivableRelatedPartiesCurrent	306143	USD
CY2020Q3	us-gaap	Deferred Costs And Other Assets DeferredCostsAndOtherAssets	102217	USD
CY2020Q3	us-gaap	Deferred Costs Current And Noncurrent DeferredCostsCurrentAndNoncurrent	203926	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	40786	USD
CY2020Q3	sgbx	Defered Cost Net DeferedCostNet	10197	USD
	us-gaap	Adjustment For Amortization AdjustmentForAmortization	30590	USD
	sgbx	License Consideration Description LicenseConsiderationDescription	In consideration for the License, during the initial term, the Licensee agreed to pay the Company a royalty of (x) <span class="ng-scope" style="border-left: none; border-right: none;"><span style="display: inline;"><span style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="display: inline;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="border-left: none; border-right: none;">five</span></span></span></span></span></span></span> percent (<span class="ng-scope" style="border-left: none; border-right: none;"><span style="display: inline;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="display: inline;"><span style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="border-left: none; border-right: none;">5</span></span></span></span></span></span></span>%) on the first $<span class="ng-scope" style="border-left: none; border-right: none;"><span style="display: inline;"><span style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="display: inline;"><span style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="border-left: none; border-right: none;">20,000,000</span></span></span></span></span></span></span></span> of gross revenues derived from the Licensee’s commercialization of the License (net of customary discounts, sales taxes, delivery charges, and amounts for returns) (the “Gross Revenues”), (y) <span class="ng-scope" style="border-left: none; border-right: none;"><span style="display: inline;"><span style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="display: inline;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="border-left: none; border-right: none;">four</span></span></span></span></span></span></span> and <span class="ng-scope" style="border-left: none; border-right: none;"><span style="display: inline;"><span style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="display: inline;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="border-left: none; border-right: none;">one</span></span></span></span></span></span></span>-half percent (<span class="ng-scope" style="border-left: none; border-right: none;"><span style="display: inline;"><span style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="display: inline;"><span style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="border-left: none; border-right: none;">4.5</span></span></span></span></span></span></span></span>%) on the next $<span class="ng-scope" style="border-left: none; border-right: none;"><span style="display: inline;"><span style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="display: inline;"><span style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="border-left: none; border-right: none;">30,000,000</span></span></span></span></span></span></span></span> of Gross Revenues, and (z) <span class="ng-scope" style="border-left: none; border-right: none;"><span style="display: inline;"><span style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="display: inline;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="border-left: none; border-right: none;">five</span></span></span></span></span></span></span> percent (<span class="ng-scope" style="border-left: none; border-right: none;"><span style="display: inline;"><span style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="display: inline;"><span style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="border-left: none; border-right: none;">5</span></span></span></span></span></span></span></span>%) on all Gross Revenues thereafter (collectively, the “Royalty”),
	sgbx	Minimum Royalty Payments One Year MinimumRoyaltyPaymentsOneYear	500000	USD
	sgbx	Minimum Royalty Payments Two Year MinimumRoyaltyPaymentsTwoYear	750000	USD
	sgbx	Minimum Royalty Payments Three Year MinimumRoyaltyPaymentsThreeYear	1500000	USD
	sgbx	Minimum Royalty Payments Four Year MinimumRoyaltyPaymentsFourYear	2000000	USD
	sgbx	Minimum Royalty Payments Five Year MinimumRoyaltyPaymentsFiveYear	2500000	USD
CY2020Q3	us-gaap	Stock Issued During Period Shares Restricted Stock Award Gross StockIssuedDuringPeriodSharesRestrictedStockAwardGross	200000	shares
CY2020Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	13047565	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1625671	USD
CY2019Q4	us-gaap	Short Term Investments ShortTermInvestments	0	USD
CY2020Q3	us-gaap	Short Term Investments ShortTermInvestments	0	USD
CY2020Q3	us-gaap	Inventory Work In Process InventoryWorkInProcess	166120	USD
CY2020Q3	sgbx	Medicalequipment Medicalequipment	646200	USD
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	2938653	USD
	us-gaap	Impaired Intangible Asset Description ImpairedIntangibleAssetDescription	<span style="border-left: none; border-right: none;">Intangible assets consist of $<span class="ng-scope" style="border-left: none; border-right: none;"><span style="border-left: none; border-right: none;"><span style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="display: inline;">2,766,000</span></span></span></span></span> of proprietary knowledge and technology, which is being amortized over <span class="ng-scope" style="border-left: none; border-right: none;"><span style="display: inline;"><span style="border-left: none; border-right: none;"><span style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="display: inline;"><span style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="border-left: none; border-right: none;">20</span></span></span></span></span></span></span></span></span></span></span> years. </span>In addition, included in intangible assets is $7,928 for non-compete agreements which is being amortized over 5 years, $105,762 of trademarks, and $<span class="ng-scope" style="border-left: none; border-right: none;"><span style="display: inline;"><span style="border-left: none; border-right: none;"><span style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="display: inline;"><span style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="border-left: none; border-right: none;">5,300</span></span></span></span></span></span></span></span></span></span></span> of website costs that are being amortized over <span style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="display: inline;"><span style="border-left: none; border-right: none;"><span class="ng-scope" style="border-left: none; border-right: none;"><span style="border-left: none; border-right: none;">5</span></span></span></span></span></span></span></span> </span>years and $18,848 of customer contracts over 1 year.
CY2020Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	45236	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	176234	USD
CY2020Q3	sgbx	Estimated Income Loss On Uncompleted Contracts EstimatedIncomeLossOnUncompletedContracts	149717	USD
CY2019Q4	sgbx	Estimated Income Loss On Uncompleted Contracts EstimatedIncomeLossOnUncompletedContracts	127032	USD
CY2020Q3	sgbx	Contract Assets Gross ContractAssetsGross	781507	USD
CY2019Q4	sgbx	Contract Assets Gross ContractAssetsGross	640590	USD
CY2020Q3	sgbx	Costs In Excess Of Billings To Date CostsInExcessOfBillingsToDate	3491007	USD
CY2019Q4	sgbx	Costs In Excess Of Billings To Date CostsInExcessOfBillingsToDate	703532	USD
CY2020Q3	sgbx	Netcontractliabilitiesonuncompletedcontracts Netcontractliabilitiesonuncompletedcontracts	-2709500	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	157775	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	155981	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	155274	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	1603181	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	2293681	USD
CY2020Q3	sgbx	Earnout Liabilities EarnoutLiabilities	752559	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	20747	USD
	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<p style="margin: 0pt 0pt 0pt 36pt;"><span style="font-family: 'Times New Roman'; font-size: 10pt; font-style: italic; font-weight: bold;">Concentrations of credit risk </span><span style="font-family: 'Times New Roman'; font-size: 10pt; font-style: italic;">–</span><span style="font-family: 'Times New Roman'; font-size: 10pt;"> Financial instruments, that potentially subject the Company to concentration of credit risk, consist principally of cash and cash equivalents. The Company places its cash with high credit quality institutions. At times, such amounts may be in excess of the FDIC insurance limits. The Company has not experienced any losses in such account and believes that it is not exposed to any significant credit risk on the account.</span></p> <p style="margin: 0pt 0pt 0pt 36pt; text-indent: 36pt;"><span style="font-family: 'Times New Roman'; font-size: 10pt;"> </span></p> <p style="margin: 0pt 0pt 0pt 36pt;"><span class="ng-scope" style="font-family: 'Times New Roman'; font-size: 10pt;">With respect to receivables, concentrations of credit risk are limited to a few customers in the construction industry. The Company performs ongoing credit evaluations of its customers’ financial condition and, generally, requires no collateral from its customers other than normal lien rights. At September 30, 2020 and December 31, 2019, 92% and 92%, respectively, of the Company’s gross accounts receivable were due from three and one customers. </span></p> <p style="margin: 0pt; text-indent: 36pt;"><span style="font-family: 'Times New Roman'; font-size: 10pt;"> </span></p> <p style="margin: 0pt 0pt 0pt 36pt;"><span class="ng-scope" style="font-family: 'Times New Roman'; font-size: 10pt;">Revenue relating to <span style="border-left: none; border-right: none;">four and two </span>customers represented approximately 83% and 94% of the Company’s total revenue for the three months ended September 30, 2020 and 2019, respectively. Revenue relating to three and two customers represented approximately 53% and 87% of the Company's total revenue for the nine months ended September 30, 2020 and 2019, respectively.</span></p> <p style="margin: 0pt; text-indent: 36pt;"><span style="font-family: 'Times New Roman'; font-size: 10pt;"> </span></p> <p style="margin: 0pt 0pt 0pt 36pt;"><span class="ng-scope" style="font-family: 'Times New Roman'; font-size: 10pt;"><span class="ng-scope" style="/* background-color: #ffffff;">Cost of revenue relating to two vendors represented approximately 63% and 93% of the Company's total cost of revenue for the three months ended September 30, 2020 and 2019, respectively. Cost of revenue relating to four </span>vendors represented approximately 67% and 94% of the Company’s total cost of revenue for the nine months ended September 30, 2020 and 2019, respectively. The Company believes it has access to alternative suppliers, with limited disruption to the business, should circumstances change with its existing suppliers.</span></p>
CY2020Q3	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	5122915	USD
CY2019Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	1887080	USD
CY2020Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	785895	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	785895	USD
CY2020Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	4337020	USD
CY2019Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1101185	USD
CY2019	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	54000	USD
CY2020Q3	sgbx	Costs Incurred On Uncompleted Contracts CostsIncurredOnUncompletedContracts	631790	USD
CY2020Q3	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	752559	USD
CY2020Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	57120	USD
CY2020Q3	sgbx	Presentvalueofleaseliabilities Presentvalueofleaseliabilities	1624194	USD
	us-gaap	Operating Lease Payments Use OperatingLeasePaymentsUse	1683000	USD
CY2019Q4	sgbx	Netcontractliabilitiesonuncompletedcontracts Netcontractliabilitiesonuncompletedcontracts	-62942	USD
CY2020Q3	sgbx	Contract With Customer Assets Net Current ContractWithCustomerAssetsNetCurrent	151230	USD
CY2019Q4	sgbx	Contract With Customer Assets Net Current ContractWithCustomerAssetsNetCurrent	106015	USD
CY2020Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	2860730	USD
CY2019Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	168957	USD
CY2020Q3	sgbx	Contract With Customer Asset Liability ContractWithCustomerAssetLiability	-2709500	USD
CY2019Q4	sgbx	Contract With Customer Asset Liability ContractWithCustomerAssetLiability	-62942	USD
CY2020Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1740623	USD
CY2020Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	10703	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	9000	USD
CY2020Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1729920	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	11747	USD
CY2019Q3	us-gaap	Depreciation Depreciation	3136	USD
	us-gaap	Depreciation Depreciation	2858	USD
	us-gaap	Depreciation Depreciation	8697	USD
CY2020Q3	sgbx	Operating Lease Right Of Use Assets OperatingLeaseRightOfUseAssets	1567074	USD
CY2020Q3	sgbx	Operating Lease Liabilities Current OperatingLeaseLiabilitiesCurrent	311745	USD
CY2020Q3	sgbx	Operating Lease Liabilities Noncurrent OperatingLeaseLiabilitiesNoncurrent	1255329	USD
CY2019Q3	us-gaap	Share Based Compensation ShareBasedCompensation	142777	USD
CY2020Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	1567074	USD
CY2020Q3	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	57120	USD
CY2020Q2	us-gaap	Debt Instrument Maturity Date DebtInstrumentMaturityDate	2025-05-05
CY2016Q4	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	1125000	shares
CY2020Q3	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	20160	USD
CY2020Q3	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	36960	USD
CY2020Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	57120	USD
CY2020Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y10M24D
CY2020Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P2Y10M24D
CY2020Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.03	pure
CY2020Q3	sgbx	Acquisition Cash AcquisitionCash	1059600	USD
CY2020Q3	us-gaap	Cash Cash	1059600	USD
CY2020Q3	sgbx	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Earnoutliability BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEarnoutliability	752559	USD
CY2020Q3	sgbx	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Settlement Of Accounts Receivable And Net Contract Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedSettlementOfAccountsReceivableAndNetContractLiabilities	-94980	USD
CY2020Q3	us-gaap	Business Combination Consideration Transferred1 BusinessCombinationConsiderationTransferred1	1717179	USD
CY2020Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Cash And Equivalents BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents	316432	USD
CY2020Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Assets Receivables BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables	252557	USD
CY2020Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Inventory BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory	130799	USD
CY2020Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Assets Prepaid Expense And Other Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets	7400	USD
CY2020Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Noncurrent Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets	1672609	USD
CY2020Q3	sgbx	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Rightofuseassets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightofuseassets	57120	USD
CY2020Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangible Assets Other Than Goodwill BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill	103718	USD
CY2020Q3	sgbx	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Accounts Payable And Accrued Expenses BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccountsPayableAndAccruedExpenses	733529	USD
CY2020Q3	sgbx	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Contractliabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedContractliabilities	32807	USD
CY2020Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Capital Lease Obligation BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation	57120	USD
CY2020Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Net BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet	1717179	USD
CY2020Q3	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.03	pure
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0244	pure
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P3Y
CY2020Q2	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	6000000	shares
CY2020Q2	sgbx	Options Granted To Purchase Common Stock OptionsGrantedToPurchaseCommonStock	900000	shares
	us-gaap	Operating Leases Indemnification Agreements Description OperatingLeasesIndemnificationAgreementsDescription	<span style="border-left: none; border-right: none;">The leases have remaining lease terms of <span style="border-left: none; border-right: none;"><span style="border-left: none; border-right: none; line-height: inherit;"><span style="border-left: none; border-right: none;"><span style="border-right: none; border-left: none;">two</span></span></span> and a half years</span> to five years.</span> The plant lease includes an option to extend the lease for up to <span style="border-left: none; border-right: none;"><span style="border-right: none; border-left: none;"><span style="border-right: none; border-left: none;">five</span></span></span> years.
	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	582473	shares
CY2020Q3	us-gaap	Share Based Compensation ShareBasedCompensation	303169	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	87300	USD
CY2020Q3	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	4555	USD
CY2020Q3	us-gaap	Other Commitment Due In Next Twelve Months OtherCommitmentDueInNextTwelveMonths	91855	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	349200	USD
CY2020Q3	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	20160	USD
CY2020Q3	us-gaap	Other Commitment Due In Second Year OtherCommitmentDueInSecondYear	369360	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	349200	USD
CY2020Q3	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	20160	USD
CY2020Q3	us-gaap	Other Commitment Due In Third Year OtherCommitmentDueInThirdYear	369360	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	330300	USD
CY2020Q3	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	12245	USD
CY2020Q3	us-gaap	Other Commitment Due In Fourth Year OtherCommitmentDueInFourthYear	342545	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	324000	USD
CY2020Q3	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive		USD
CY2020Q3	us-gaap	Other Commitment Due In Fifth Year OtherCommitmentDueInFifthYear	324000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	243000	USD
CY2020Q3	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive		USD
CY2020Q3	us-gaap	Other Commitment Due After Fifth Year OtherCommitmentDueAfterFifthYear	243000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	1683000	USD
CY2020Q3	us-gaap	Share Based Compensation ShareBasedCompensation	303169	USD
CY2019Q3	us-gaap	Share Based Compensation ShareBasedCompensation	142777	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	482139	USD
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	53170	shares
CY2019Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	24.80
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P7Y4M24D
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue		USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross		shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised		shares
CY2020Q3	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	57120	USD
CY2020Q3	us-gaap	Other Commitment OtherCommitment	1740120	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	115926	USD
CY2020Q3	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount		USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	115926	USD
CY2020Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	1567074	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate		pure
CY2020Q2	sgbx	Common Stock Exercise Price Per Share CommonStockExercisePricePerShare	0.01
CY2020Q2	us-gaap	Class Of Warrant Or Right Number Of Securities Called By Warrants Or Rights ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights	900000	shares
CY2020Q2	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	6900000	shares
CY2019Q4	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	326250	USD
CY2019Q4	us-gaap	Warrants And Rights Outstanding Term WarrantsAndRightsOutstandingTerm	P5Y
CY2019Q4	sgbx	Purchase Shares Of Common Stock PurchaseSharesOfCommonStock	5404	shares
CY2019Q4	sgbx	Construction Contracts Backlog ConstructionContractsBacklog	17634261	USD
CY2018Q4	sgbx	Construction Contracts Backlog ConstructionContractsBacklog	97657379	USD
	sgbx	New Contracts Received During Year NewContractsReceivedDuringYear	8662873	USD
CY2019	sgbx	New Contracts Received During Year NewContractsReceivedDuringYear	17659053	USD
	sgbx	Adjustments And Cancellations Net AdjustmentsAndCancellationsNet	-27370	USD
CY2019	sgbx	Adjustments And Cancellations Net AdjustmentsAndCancellationsNet	-94697336	USD
	sgbx	Construction Backlog Gross ConstructionBacklogGross	26269764	USD
CY2019	sgbx	Construction Backlog Gross ConstructionBacklogGross	20619096	USD
	sgbx	Contract Revenue ContractRevenue	1404265	USD
CY2019	sgbx	Contract Revenue ContractRevenue	-2984835	USD
CY2020Q3	sgbx	Construction Contracts Backlog ConstructionContractsBacklog	24865499	USD
CY2019Q4	sgbx	Construction Contracts Backlog ConstructionContractsBacklog	17634261	USD
	sgbx	Contract Backlog Description ContractBacklogDescription	the Company during the third quarter of 2019 in the amount of approximately $17 million, and entered into two contracts during the third quarter of 2020 in the amount of approximately $4 million and approximately $2.95 million.
CY2019Q2	sgbx	Construction Backlog Contract Revenue ConstructionBacklogContractRevenue	25000000.0	USD
CY2019Q3	sgbx	Number Of Large Contracts NumberOfLargeContracts	2	Item
CY2019Q4	sgbx	Construction Backlog Contract Revenue ConstructionBacklogContractRevenue	2400000	USD
CY2020Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	24865499	USD
CY2017Q3	us-gaap	Sale Of Stock Price Per Share SaleOfStockPricePerShare	100.00
CY2017Q3	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	176771	USD
CY2017Q3	sgbx	Warrants To Purchase Of Common Stock WarrantsToPurchaseOfCommonStock	563	shares
CY2017Q3	us-gaap	Conversion Of Stock Shares Issued1 ConversionOfStockSharesIssued1	8321	shares
	us-gaap	Conversion Of Stock Shares Issued1 ConversionOfStockSharesIssued1	90084	shares
	sgbx	Loss On Conversion Of Convertible Debentures LossOnConversionOfConvertibleDebentures	25833	USD
CY2019Q4	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	857500	shares
CY2019Q4	us-gaap	Conversion Of Stock Amount Issued1 ConversionOfStockAmountIssued1	2117948	USD
CY2020Q2	us-gaap	Other Underwriting Expense OtherUnderwritingExpense	1522339	USD
CY2020Q2	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	347661	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.6835	pure
CY2020Q2	us-gaap	Other Underwriting Expense OtherUnderwritingExpense	15596141	USD
CY2020Q2	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	1653859	USD
CY2020Q2	sgbx	Common Stock Number Of Shares Underwritter CommonStockNumberOfSharesUnderwritter	300000	shares
CY2019Q2	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	4239	shares
CY2019Q3	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	45000	shares
CY2019Q3	us-gaap	Sale Of Stock Price Per Share SaleOfStockPricePerShare	17.00
CY2017Q2	us-gaap	Debt Instrument Maturity Date DebtInstrumentMaturityDate	2023-06-21
CY2020Q2	sgbx	Warrants To Purchase WarrantsToPurchase	300000	shares
CY2020Q2	us-gaap	Share Price SharePrice	3.14
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	833	shares
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	52337	shares
CY2020Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	24.75
CY2020Q3	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	81.60
	sgbx	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Remaining Contractual Term ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm	P6Y7M24D
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	52649	shares
CY2019Q4	sgbx	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableInPeriodWeightedAverageGrantDateFairValue	24.80
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	81.20
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P7Y4M20D
CY2019Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1		USD
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Plan Modification Description And Terms ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationDescriptionAndTerms	<span style="text-indent: 0pt; font-size: 10pt;">a </span><span style="text-indent: 0pt; font-size: 10pt; border-left: none; border-right: none;">total of <span class="ng-scope"><span style="border-left: none; border-right: none;">526</span></span> of restricted stock units were granted to <span class="ng-scope"><span style="border-left: none; border-right: none;">two</span></span> of <span style="border-left: none; border-right: none;">the Company’s non-employee directors, under the Incentive Plan, at the calculated fair value of $<span class="ng-scope"><span style="border-left: none; border-right: none;">58.80</span></span> and $<span class="ng-scope"><span style="border-left: none; border-right: none;">55.20</span></span> per share, respectively, which represents the average closing price of the Company’s common stock for the <span class="ng-scope"><span style="border-left: none; border-right: none;">ten</span></span> trading days immediately preceding and including the grant date, as adjusted for stock splits.</span></span>
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	52128	shares
CY2020Q3	sgbx	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableInPeriodWeightedAverageGrantDateFairValue	24.74
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	81.56
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P6Y7M20D
CY2020Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1		USD
CY2020Q3	us-gaap	Share Price SharePrice	1.81
CY2019Q1	sgbx	Number Of Consultants NumberOfConsultants	1	Consultants
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Plan Modification Description And Terms ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationDescriptionAndTerms	<span style="text-indent: 0pt; font-size: 10pt;">a </span><span style="text-indent: 0pt; font-size: 10pt; border-left: none; border-right: none;">total of <span class="ng-scope"><span style="border-left: none; border-right: none;">526</span></span> of restricted stock units were granted to <span class="ng-scope"><span style="border-left: none; border-right: none;">two</span></span> of <span style="border-left: none; border-right: none;">the Company’s non-employee directors, under the Incentive Plan, at the calculated fair value of $<span class="ng-scope"><span style="border-left: none; border-right: none;">58.80</span></span> and $<span class="ng-scope"><span style="border-left: none; border-right: none;">55.20</span></span> per share, respectively, which represents the average closing price of the Company’s common stock for the <span class="ng-scope"><span style="border-left: none; border-right: none;">ten</span></span> trading days immediately preceding and including the grant date, as adjusted for stock splits.</span></span>
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	8938	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	472331	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	17512	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	4000	shares
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	459757	shares
CY2019Q1	us-gaap	Loss Contingency Damages Sought Value LossContingencyDamagesSoughtValue	2100000	USD
CY2020Q2	us-gaap	Loss Contingency Damages Sought Value LossContingencyDamagesSoughtValue	1	USD
CY2020Q2	us-gaap	Loss Contingency Damages Sought Value LossContingencyDamagesSoughtValue	4000000	USD
CY2019Q2	sgbx	Recovery Of Damages Sought RecoveryOfDamagesSought	30428	USD
CY2020Q1	sgbx	Description Of Claimed Amount DescriptionOfClaimedAmount	<span style="font-size: 10.0pt; font-family: 'Times New Roman', serif;">the Company and its Chairman and Chief Executive Officer, Paul Galvin, claiming (i) $372,638 in unpaid wages and bonuses and (ii) $300,000 due in severance (</span>hereafter the “Action”).
CY2020Q2	sgbx	Unpaid Wages UnpaidWages	300000	USD
CY2020Q2	sgbx	Claimed Wages ClaimedWages	400000	USD

Files In Submission

Name	View Source	Status
0001213900-20-038250-index-headers.html	Edgar Link	pending
0001213900-20-038250-index.html	Edgar Link	pending
0001213900-20-038250.txt	Edgar Link	pending
0001213900-20-038250-xbrl.zip	Edgar Link	pending
ex311_1.htm	Edgar Link	pending
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ex321_3.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
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report.css	Edgar Link	pending
sgbx-20200930.htm	Edgar Link	pending
sgbx-20200930.xsd	Edgar Link	pending
sgbx-20200930_cal.xml	Edgar Link	unprocessable
sgbx-20200930_def.xml	Edgar Link	unprocessable
sgbx-20200930_htm.xml	Edgar Link	completed
sgbx-20200930_lab.xml	Edgar Link	unprocessable
sgbx-20200930_pre.xml	Edgar Link	unprocessable
Show.js	Edgar Link	pending

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$SGBX
SAFE & GREEN HOLDINGS CORP. Stock $sgbx

2020 Q4 Form 10-Q Financial Statement

#000121390020038250 Filed on November 19, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SGBX SAFE & GREEN HOLDINGS CORP. Stock $sgbx

2020 Q4 Form 10-Q Financial Statement

#000121390020038250 Filed on November 19, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SGBX
SAFE & GREEN HOLDINGS CORP. Stock $sgbx