$SGBX
SAFE & GREEN HOLDINGS CORP. Stock $sgbx

$sgbx Overview Financials Valuation SEC Filings Company Website

2019 Q1 Form 10-K Financial Statement

#000121390019005149 Filed on March 29, 2019

Income Statement

Concept	2019 Q1	2018 Q4	2018
Revenue	$1.735M	$2.260M	$8.191M
YoY Change	12.41%	9.71%	61.82%
Cost Of Revenue	$1.191M	$2.140M	$7.648M
YoY Change	-13.69%	17.58%	72.73%
Gross Profit	$544.1K	$120.0K	$542.7K
YoY Change	232.59%	-50.0%	-14.37%
Gross Profit Margin	31.36%	5.31%	6.63%
Selling, General & Admin	$380.4K	$1.900M	$3.148M
YoY Change	-25.03%	45.04%	55.51%
% of Gross Profit	69.91%	1583.33%	580.04%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$3.165K	$160.0K	$6.764K
YoY Change	239.96%	6.67%	128.9%
% of Gross Profit	0.58%	133.33%	1.25%
Operating Expenses	$1.035M	$1.890M	$5.389M
YoY Change	12.76%	44.27%	38.36%
Operating Profit	-$490.7K	-$1.770M	-$4.846M
YoY Change	-34.93%	65.42%	48.6%
Interest Expense	$0.00	$0.00	$0.00
YoY Change			-100.0%
% of Operating Profit
Other Income/Expense, Net		$0.00	$2.142K
YoY Change			-100.17%
Pretax Income	-$490.7K	-$1.780M	-$4.844M
YoY Change	-34.92%	66.36%	7.34%
Income Tax		$0.00
% Of Pretax Income
Net Earnings	-$490.7K	-$1.830M	-$4.844M
YoY Change	-34.92%	71.03%	7.34%
Net Earnings / Revenue	-28.28%	-80.97%	-59.14%
Basic Earnings Per Share
Diluted Earnings Per Share	-$2.333M	-$8.714M	-$1.136M
COMMON SHARES
Basic Shares Outstanding	4.260M shares	4.260M shares
Diluted Shares Outstanding

Balance Sheet

Concept	2019 Q1	2018 Q4	2018
SHORT-TERM ASSETS
Cash & Short-Term Investments	$250.0K	$1.370M	$1.370M
YoY Change	-94.46%	-72.04%	-72.04%
Cash & Equivalents	$250.5K	$1.368M	$1.370M
Short-Term Investments		$0.00	$0.00
Other Short-Term Assets	$95.80M	$97.70M	$990.0K
YoY Change	15106.35%	40608.33%	312.5%
Inventory	$0.00	$0.00
Prepaid Expenses
Receivables	$2.957M	$1.746M	$2.010M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$4.001M	$4.362M	$4.360M
YoY Change	-39.11%	-46.49%	-46.5%
LONG-TERM ASSETS
Property, Plant & Equipment	$68.17K	$71.34K	$70.00K
YoY Change	581.72%	949.69%	600.0%
Goodwill	$4.162M	$4.162M
YoY Change		0.0%
Intangibles	$2.408M	$2.444M
YoY Change		-19.3%
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets	$6.638M	$6.677M	$6.680M
YoY Change	-5.84%	-7.22%	-7.22%
TOTAL ASSETS
Total Short-Term Assets	$4.001M	$4.362M	$4.360M
Total Long-Term Assets	$6.638M	$6.677M	$6.680M
Total Assets	$10.64M	$11.04M	$11.04M
YoY Change	-21.89%	-28.08%	-28.08%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$2.250M	$2.620M	$2.620M
YoY Change	39.75%	21.86%	21.86%
Accrued Expenses
YoY Change
Deferred Revenue	$1.580M	$1.335M
YoY Change		-20.21%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$3.832M	$3.959M	$3.960M
YoY Change	38.35%	3.61%	3.66%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$0.00	$0.00	$0.00
YoY Change
TOTAL LIABILITIES
Total Short-Term Liabilities	$3.832M	$3.959M	$3.960M
Total Long-Term Liabilities	$0.00	$0.00	$0.00
Total Liabilities	$3.830M	$3.960M	$3.960M
YoY Change	38.27%	3.66%	3.66%
SHAREHOLDERS EQUITY
Retained Earnings	-$11.15M	-$10.66M
YoY Change		83.24%
Common Stock	$42.60K	$2.130K
YoY Change		-95.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$6.806M	$7.080M	$7.080M
YoY Change
Total Liabilities & Shareholders Equity	$10.64M	$11.04M	$11.04M
YoY Change	-21.89%	-28.08%	-28.08%

Cashflow Statement

Concept	2019 Q1	2018 Q4	2018
OPERATING ACTIVITIES
Net Income	-$490.7K	-$1.830M	-$4.844M
YoY Change	-34.92%	71.03%	7.34%
Depreciation, Depletion And Amortization	$3.165K	$160.0K	$6.764K
YoY Change	239.96%	6.67%	128.9%
Cash From Operating Activities	-$1.118M	-$1.540M	-$3.452M
YoY Change	190.54%	25.2%	177.93%
INVESTING ACTIVITIES
Capital Expenditures		-$10.00K	$71.31K
YoY Change			1601.0%
Acquisitions
YoY Change
Other Investing Activities	$0.00	$10.00K	$30.00K
YoY Change	-100.0%
Cash From Investing Activities		$0.00	-$50.20K
YoY Change			1097.4%
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
YoY Change		-100.0%
NET CHANGE
Cash From Operating Activities	-$1.118M	-1.540M	-$3.452M
Cash From Investing Activities		0.000	-$50.20K
Cash From Financing Activities		0.000
Net Change In Cash	-$1.118M	-1.540M	-$3.502M
YoY Change	212.33%	26.23%	-181.04%
FREE CASH FLOW
Cash From Operating Activities	-$1.118M	-$1.540M	-$3.452M
Capital Expenditures		-$10.00K	$71.31K
Free Cash Flow	-$1.118M	-$1.530M	-$3.524M
YoY Change	188.15%	24.39%	182.72%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2018Q1	sgbx	Options Vested Description OptionsVestedDescription	These options vest in equal installments over a two-year and three-year period and will fully vest by the end of March 31, 2021.
CY2018Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding		shares
CY2018	us-gaap	Bankruptcy Proceedings Description Of Proceedings BankruptcyProceedingsDescriptionOfProceedings	Intangible assets represent the preliminary assets identified upon emergence from bankruptcy and consist of $2,766,000 of proprietary knowledge and technology which is being amortized over 20 years and $1,113,000 of customer contracts which is being amortized over 2.5 years. In addition, included in intangible assets is $ 28,820 of trademarks and $5,300 of website which is being amortized over 5 years.
CY2017Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	4260041	shares
CY2018	us-gaap	Operating Loss Carryforwards Expiration Date OperatingLossCarryforwardsExpirationDate	2037-12-31
CY2018	us-gaap	Operating Cycle OperatingCycle	The length of the Company's contracts varies, but is typically between six to twelve months.
CY2018	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2018	dei	Entity Small Business EntitySmallBusiness	true
CY2018	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2018	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2018	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2018	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
CY2018	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2018
CY2018	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2018	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2018	dei	Amendment Flag AmendmentFlag	false
CY2018	dei	Trading Symbol TradingSymbol	SGBX
CY2018	dei	Entity Central Index Key EntityCentralIndexKey	0001023994
CY2018Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2017Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2018	dei	Entity Ex Transition Period EntityExTransitionPeriod	false
CY2018	dei	Entity Shell Company EntityShellCompany	false
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4192	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	11527874	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-4512680	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4870824	USD
CY2017Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued		shares
CY2017Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2018Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2017Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5405010	shares
CY2018Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5405010	shares
CY2018Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued		shares
CY2017Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding		shares
CY2017Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	4260041	shares
CY2018	dei	Document Type DocumentType	10-K
CY2018	dei	Document Period End Date DocumentPeriodEndDate	2018-12-31
CY2018	dei	Entity Registrant Name EntityRegistrantName	SG BLOCKS, INC.
CY2018Q2	dei	Entity Public Float EntityPublicFloat	18446674	USD
CY2019Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	4260041	shares
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1368395	USD
CY2018Q4	us-gaap	Short Term Investments ShortTermInvestments		USD
CY2017Q4	us-gaap	Short Term Investments ShortTermInvestments	30033	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1746326	USD
CY2017Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	3005875	USD
CY2018Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	260325	USD
CY2017Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	61175	USD
CY2018Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	986687	USD
CY2017Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	183890	USD
CY2018Q4	us-gaap	Assets Current AssetsCurrent	4361733	USD
CY2017Q4	us-gaap	Assets Current AssetsCurrent	8151797	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	71337	USD
CY2018Q4	us-gaap	Goodwill Goodwill	4162173	USD
CY2017Q4	us-gaap	Goodwill Goodwill	4162173	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	2443929	USD
CY2017Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	3028247	USD
CY2018Q4	us-gaap	Assets Assets	11039172	USD
CY2017Q4	us-gaap	Assets Assets	15349013	USD
CY2018Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	2624218	USD
CY2017Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	2148091	USD
CY2018Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	1334887	USD
CY2017Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	1673048	USD
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	3959105	USD
CY2017Q4	us-gaap	Liabilities Current LiabilitiesCurrent	3821139	USD
CY2017Q4	us-gaap	Preferred Stock Value PreferredStockValue		USD
CY2017Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2018Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2017Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	300000000	shares
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	300000000	shares
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	4260041	shares
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	4260041	shares
CY2018Q4	us-gaap	Common Stock Value CommonStockValue	42601	USD
CY2017Q4	us-gaap	Common Stock Value CommonStockValue	42601	USD
CY2018Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	17700743	USD
CY2017Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	17304529	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-10663277	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-5819256	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	7080067	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	11039172	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	15349013	USD
CY2018	us-gaap	Revenues Revenues	8190712	USD
CY2017	us-gaap	Revenues Revenues	5061585	USD
CY2018	us-gaap	Cost Of Revenue CostOfRevenue	7647979	USD
CY2017	us-gaap	Cost Of Revenue CostOfRevenue	4427778	USD
CY2018	us-gaap	Gross Profit GrossProfit	542733	USD
CY2017	us-gaap	Gross Profit GrossProfit	633807	USD
CY2018	us-gaap	Labor And Related Expense LaborAndRelatedExpense	2166212	USD
CY2017	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1813446	USD
CY2018	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	2760655	USD
CY2017	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	1753236	USD
CY2018	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	387400	USD
CY2017	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	271092	USD
CY2018	us-gaap	Other General Expense OtherGeneralExpense	74629	USD
CY2017	us-gaap	Other General Expense OtherGeneralExpense	57192	USD
CY2018	us-gaap	Operating Expenses OperatingExpenses	5388896	USD
CY2017	us-gaap	Operating Expenses OperatingExpenses	3894966	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	-4846163	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	-3261159	USD
CY2018	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense		USD
CY2017	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	330388	USD
CY2018	us-gaap	Investment Income Interest InvestmentIncomeInterest	4	USD
CY2017	us-gaap	Investment Income Interest InvestmentIncomeInterest	15	USD
CY2018	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	5764	USD
CY2017	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	1000	USD
CY2018	sgbx	Loss Debt Conversion LossDebtConversion		USD
CY2017	sgbx	Loss Debt Conversion LossDebtConversion	1018475	USD
CY2018	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax		USD
CY2017	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	96327	USD
CY2018	sgbx	Gain Loss From Equity Affiliaties GainLossFromEquityAffiliaties	-3626	USD
CY2017	sgbx	Gain Loss From Equity Affiliaties GainLossFromEquityAffiliaties		USD
CY2018	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	2142	USD
CY2017	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-1251521	USD
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CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit		USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit		USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	-4844021	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	-4512680	USD
CY2018	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-1.14
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CY2018	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	4260041	shares
CY2017	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	2310066	shares
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	5433295	USD
CY2017	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	701402	USD
CY2017	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	8409	USD
CY2017	sgbx	Stock Issued During Period Issuance Of Convertible Preferred Stock StockIssuedDuringPeriodIssuanceOfConvertiblePreferredStock		USD
CY2017	sgbx	Stock Issued During Period Issuance Of Common Stock Net Of Issuance Costs StockIssuedDuringPeriodIssuanceOfCommonStockNetOfIssuanceCosts	7059614	USD
CY2017	us-gaap	Stock Issued During Period Value Issued For Services StockIssuedDuringPeriodValueIssuedForServices	254500	USD
CY2017	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	2583334	USD
CY2017	us-gaap	Profit Loss ProfitLoss	-4512680	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	11527874	USD
CY2018	us-gaap	Profit Loss ProfitLoss	-4844021	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	7080067	USD
CY2018	us-gaap	Profit Loss ProfitLoss	-4844021	USD
CY2018	us-gaap	Depreciation Depreciation	6764	USD
CY2017	us-gaap	Depreciation Depreciation	2955	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	589619	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	587823	USD
CY2018	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium		USD
CY2017	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	330388	USD
CY2018	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	810580	USD
CY2017	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts		USD
CY2018	us-gaap	Gain Loss On Investments GainLossOnInvestments	4	USD
CY2017	us-gaap	Gain Loss On Investments GainLossOnInvestments	15	USD
CY2018	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax		USD
CY2017	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	96327	USD
CY2018	sgbx	Loss Debt Conversion LossDebtConversion		USD
CY2017	sgbx	Loss Debt Conversion LossDebtConversion	1018475	USD
CY2018	sgbx	Non Cash Consultant Fee NonCashConsultantFee		USD
CY2017	sgbx	Non Cash Consultant Fee NonCashConsultantFee	254500	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	701402	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1368395	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4870824	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised		USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	8409	USD
CY2018	us-gaap	Proceeds From Issuance Initial Public Offering ProceedsFromIssuanceInitialPublicOffering		USD
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CY2018	us-gaap	Repayments Of Convertible Debt RepaymentsOfConvertibleDebt		USD
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CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities		USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	5568023	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	396214	USD
CY2018	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-3502429	USD
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CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4870824	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	549100	USD
CY2018	sgbx	Loss On Equity Affilaties LossOnEquityAffilaties	3626	USD
CY2017	sgbx	Loss On Equity Affilaties LossOnEquityAffilaties		USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-448969	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	2771357	USD
CY2018	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	199150	USD
CY2017	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	27826	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories		USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-9445	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	802797	USD
CY2017	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	59170	USD
CY2018	us-gaap	Increase Decrease In Intangible Assets Current IncreaseDecreaseInIntangibleAssetsCurrent		USD
CY2017	us-gaap	Increase Decrease In Intangible Assets Current IncreaseDecreaseInIntangibleAssetsCurrent	28820	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	476127	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	1797318	USD
CY2018	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-338161	USD
CY2017	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	1624570	USD
CY2018	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue		USD
CY2017	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-72788	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-3452234	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-1242107	USD
CY2018	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	30037	USD
CY2017	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments		USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	71306	USD
CY2018	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	5300	USD
CY2017	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets		USD
CY2018	us-gaap	Payments To Acquire Interest In Joint Venture PaymentsToAcquireInterestInJointVenture	3626	USD
CY2017	us-gaap	Payments To Acquire Interest In Joint Venture PaymentsToAcquireInterestInJointVenture		USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-50195	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-4192	USD
CY2018	us-gaap	Conversion Of Stock Amount Converted1 ConversionOfStockAmountConverted1		USD
CY2017	us-gaap	Conversion Of Stock Amount Converted1 ConversionOfStockAmountConverted1	2583334	USD
CY2018	sgbx	Conversion Of Preferred Stock To Common Stock ConversionOfPreferredStockToCommonStock		USD
CY2017	sgbx	Conversion Of Preferred Stock To Common Stock ConversionOfPreferredStockToCommonStock	1801670	USD
CY2017Q1	us-gaap	Stockholders Equity Reverse Stock Split StockholdersEquityReverseStockSplit	1-for-3
CY2018Q4	us-gaap	Deferred Offering Costs DeferredOfferingCosts	1565386	USD
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	4260041	shares
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	4260041	shares
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1400000	USD
CY2018Q4	us-gaap	Other Assets Current OtherAssetsCurrent	97700000	USD
CY2018Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	97657379	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	200294	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit		USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit		USD
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0	pure
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0	pure
CY2018	us-gaap	Use Of Estimates UseOfEstimates	<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;"><b><i>Accounting estimates<span> </span></i></b>– The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States of America (“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, warrant liabilities and allowance for doubtful accounts. Actual results could differ from those estimates.</span></p> </div> </div>
CY2018	sgbx	Warranty Offered On Completed Contracts WarrantyOfferedOnCompletedContracts	P1Y
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	8190712	USD
CY2018	sgbx	Revenue From Contract With Customer Excluding Assessed Tax Percentage RevenueFromContractWithCustomerExcludingAssessedTaxPercentage	1	pure
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	5061585	USD
CY2017	sgbx	Revenue From Contract With Customer Excluding Assessed Tax Percentage RevenueFromContractWithCustomerExcludingAssessedTaxPercentage	1	pure
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4870824	USD
CY2017Q4	us-gaap	Short Term Investments ShortTermInvestments	30033	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	2443929	USD
CY2017Q4	us-gaap	Inventory Net InventoryNet	0	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	0	USD
CY2018	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	1469191	USD
CY2018	us-gaap	Adjustment For Amortization AdjustmentForAmortization	589619	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	879573	USD
CY2017	us-gaap	Adjustment For Amortization AdjustmentForAmortization	587823	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	145124	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	145124	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	145124	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	140801	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	139006	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	1728750	USD
CY2017Q4	us-gaap	Short Term Investments ShortTermInvestments	30033	USD
CY2017Q4	us-gaap	Short Term Investments ShortTermInvestments	30033	USD
CY2016Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	384461	USD
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues		USD
CY2017	sgbx	Change In Fair Value Related To Conversion Of Convertible Debentures ChangeInFairValueRelatedToConversionOfConvertibleDebentures	-288134	USD
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Period Increase Decrease FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease	-96327	USD
CY2017Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue		USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-355765	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2326356	USD
CY2018	sgbx	Provision Income Tax Expense Benefit ProvisionIncomeTaxExpenseBenefit	-355765	USD
CY2017	sgbx	Provision Income Tax Expense Benefit ProvisionIncomeTaxExpenseBenefit	2326356	USD
CY2018	sgbx	Amount Of Valuation Reserve AmountOfValuationReserve	-355765	USD
CY2017	sgbx	Amount Of Valuation Reserve AmountOfValuationReserve	2326356	USD
CY2018	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 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 <span id="fs_V38HIYKGUO00000000000000000000FM">December 31, 2018</span> and <span id="fs_8NI7HFE94W00000000000000000000fs">2017</span>, 76% and <span style="border-left: none; border-right: none;">81</span>%, respectively, of the Company’s accounts receivable were due from two 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 style="font-family: 'Times New Roman'; font-size: 10pt;">Revenue relating to three and two customers represented approximately 66% and 80% of the Company’s total revenue for the years ended <span id="fs_ZCNMH7FIWG00000000000000000000FM">December 31, 2018</span> and <span id="fs_79L71U547K00000000000000000000fs">2017</span>, 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 style="font-family: 'Times New Roman'; font-size: 10pt;"><span style="/* background-color: #ffffff;">Cost of revenue relating to two and one </span>vendors represented approximately 55% of the Company’s total cost of revenue for the years ended <span id="fs_I3RVFXOCO000000000000000000000FM">December 31, 2018</span> and <span id="fs_J5R30FT4TS00000000000000000000fs">2017</span>, 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>
CY2018Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	2586221	USD
CY2017Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	3040110	USD
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	839895	USD
CY2017Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	34235	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1746326	USD
CY2017Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	3005875	USD
CY2017Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	34235	USD
CY2018	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	810580	USD
CY2018	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	4920	USD
CY2017	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	0	USD
CY2018Q4	sgbx	Costs Incurred On Uncompleted Contracts CostsIncurredOnUncompletedContracts	11307975	USD
CY2017Q4	sgbx	Costs Incurred On Uncompleted Contracts CostsIncurredOnUncompletedContracts	3681965	USD
CY2018Q4	sgbx	Estimated Income Loss On Uncompleted Contracts EstimatedIncomeLossOnUncompletedContracts	-838615	USD
CY2017Q4	sgbx	Estimated Income Loss On Uncompleted Contracts EstimatedIncomeLossOnUncompletedContracts	-328273	USD
CY2018Q4	us-gaap	Contract Receivable Retainage ContractReceivableRetainage	12146590	USD
CY2017Q4	us-gaap	Contract Receivable Retainage ContractReceivableRetainage	4010238	USD
CY2018Q4	sgbx	Costs In Excess Of Billings To Date CostsInExcessOfBillingsToDate	-13221152	USD
CY2017Q4	sgbx	Costs In Excess Of Billings To Date CostsInExcessOfBillingsToDate	-5622111	USD
CY2018Q4	sgbx	Contract With Customer Asset Liability ContractWithCustomerAssetLiability	-1074562	USD
CY2017Q4	sgbx	Contract With Customer Asset Liability ContractWithCustomerAssetLiability	-1611873	USD
CY2018Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	260325	USD
CY2017Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	61175	USD
CY2018Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	1334887	USD
CY2017Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	1673048	USD
CY2018Q4	sgbx	Contract With Customer Asset Liability ContractWithCustomerAssetLiability	-1074562	USD
CY2017Q4	sgbx	Contract With Customer Asset Liability ContractWithCustomerAssetLiability	-1611873	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	102672	USD
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	31367	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	31335	USD
CY2017Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	24571	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	71337	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	6796	USD
CY2018	us-gaap	Debt Conversion Converted Instrument Amount1 DebtConversionConvertedInstrumentAmount1	1937500	USD
CY2017	sgbx	Fair Value Of Conversion Option Liabilities One FairValueOfConversionOptionLiabilitiesOne	0	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	94031	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2126062	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-449796	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210	pure
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.340	pure
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.074	pure
CY2017	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.074	pure
CY2018	sgbx	Differences Attributable To Tax And Jobs Cut Act DifferencesAttributableToTaxAndJobsCutAct		pure
CY2017	sgbx	Differences Attributable To Tax And Jobs Cut Act DifferencesAttributableToTaxAndJobsCutAct	-0.320	pure
CY2018	sgbx	Differences Attributable To Change In State Business Apportionment DifferencesAttributableToChangeInStateBusinessApportionment		pure
CY2017	sgbx	Differences Attributable To Change In State Business Apportionment DifferencesAttributableToChangeInStateBusinessApportionment	-0.047	pure
CY2018	sgbx	Loss On Debt Conversion LossOnDebtConversion		pure
CY2017	sgbx	Loss On Debt Conversion LossOnDebtConversion	-0.091	pure
CY2018	sgbx	Prior Year Adjustment Of Taxes PriorYearAdjustmentOfTaxes		pure
CY2017	sgbx	Prior Year Adjustment Of Taxes PriorYearAdjustmentOfTaxes	-0.471	pure
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments		pure
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.001	pure
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.284	pure
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.516	pure
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.000	pure
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.000	pure
CY2018Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	2786519	USD
CY2017Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	3738980	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	238194	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	9709	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	364699	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	255322	USD
CY2018Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	-684722	USD
CY2017Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	-858811	USD
CY2017Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	2567	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	89861	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities		USD
CY2018Q4	us-gaap	Deferred Tax Assets Charitable Contribution Carryforwards DeferredTaxAssetsCharitableContributionCarryforwards	233	USD
CY2017Q4	us-gaap	Deferred Tax Assets Charitable Contribution Carryforwards DeferredTaxAssetsCharitableContributionCarryforwards	234	USD
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	2792236	USD
CY2017Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	3148001	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	2792236	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	3148001	USD
CY2018Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet		USD
CY2017Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet		USD
CY2018	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-335765	USD
CY2017	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-2326356	USD
CY2018Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	9.8	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2017Q4	sgbx	Construction Contracts Backlog ConstructionContractsBacklog	76659029	USD
CY2016Q4	sgbx	Construction Contracts Backlog ConstructionContractsBacklog	541291	USD
CY2018	sgbx	New Contracts Received During Year NewContractsReceivedDuringYear	29189062	USD
CY2017	sgbx	New Contracts Received During Year NewContractsReceivedDuringYear	81179323	USD
CY2018	sgbx	Construction Backlog Gross ConstructionBacklogGross	105848091	USD
CY2017	sgbx	Construction Backlog Gross ConstructionBacklogGross	81720614	USD
CY2018	sgbx	Contract Revenue ContractRevenue	8190712	USD
CY2017	sgbx	Contract Revenue ContractRevenue	5061585	USD
CY2018Q4	sgbx	Construction Contracts Backlog ConstructionContractsBacklog	97657379	USD
CY2017Q4	sgbx	Construction Contracts Backlog ConstructionContractsBacklog	76659029	USD
CY2018	sgbx	Number Of Large Contracts NumberOfLargeContracts	2	Number
CY2018Q1	sgbx	Number Of Large Contracts NumberOfLargeContracts	1	Number
CY2018	sgbx	Construction Backlog Contract Revenue ConstructionBacklogContractRevenue	55	USD
CY2017Q3	sgbx	Construction Backlog Contract Revenue ConstructionBacklogContractRevenue	15	USD
CY2018Q1	sgbx	Construction Backlog Contract Revenue ConstructionBacklogContractRevenue	25000000	USD
CY2018Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	97657379	USD
CY2018Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	97657379	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0	pure
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0	pure
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.257	pure
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0256	pure
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y6M
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	295051	shares
CY2016Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	1.25
CY2016Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	3.00
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	250000	shares
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	1.28
CY2018	us-gaap	Conversion Of Stock Amount Issued1 ConversionOfStockAmountIssued1	2583334	USD
CY2017	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	645833	USD
CY2017	sgbx	Loss On Conversion Of Convertible Debentures LossOnConversionOfConvertibleDebentures	1018475	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	396214	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	701402	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	396214	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	701402	USD
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue		USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	598552	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	1.22
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	4.28
CY2017	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	2803	shares
CY2017	sgbx	Share Based Compensation Arrangement By Share Based Payment Award Options Exercised Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedWeightedAverageGrantDateFairValue
CY2017	sgbx	Share Based Compensation Arrangement By Share Based Payment Award Options Exercised In Period Weighted Average Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedInPeriodWeightedAverageFairValue
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	2408	shares
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	888392	shares
CY2017Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	1.23
CY2017Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	3.86
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P9Y1M24D
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	1881869	USD
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	4.61
CY2018	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised		shares
CY2018	sgbx	Share Based Compensation Arrangement By Share Based Payment Award Options Exercised Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedWeightedAverageGrantDateFairValue
CY2018	sgbx	Share Based Compensation Arrangement By Share Based Payment Award Options Exercised In Period Weighted Average Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedInPeriodWeightedAverageFairValue
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	33333	shares
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1105059	shares
CY2018Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	1.24
CY2018Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	4.06
CY2018	sgbx	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Remaining Contractual Term ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm	P8Y4M28D
CY2018Q4	sgbx	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value One ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValueOne		USD
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	738608	shares
CY2017Q4	sgbx	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableInPeriodWeightedAverageGrantDateFairValue	1.22
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	4.04
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P9Y2M8D
CY2017Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	1435515	USD
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	949355	shares
CY2018Q4	sgbx	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableInPeriodWeightedAverageGrantDateFairValue	1.23
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	4.00
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P8Y3M18D
CY2018Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1		USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	332662	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	701402	USD
CY2016Q4	us-gaap	Stock Issued During Period Shares Restricted Stock Award Gross StockIssuedDuringPeriodSharesRestrictedStockAwardGross	195914	shares
CY2018	sgbx	Share Based Non Vested Stock Options Weighted Average Term One ShareBasedNonVestedStockOptionsWeightedAverageTermOne	P1Y3M10D
CY2018Q4	us-gaap	Share Price SharePrice	2.71
CY2017Q1	sgbx	Number Of Employees NumberOfEmployees	3	Employee
CY2017Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P2Y
CY2018Q1	sgbx	Number Of Employees NumberOfEmployees	6	Employee
CY2018Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	320000	USD
CY2018	us-gaap	Payments For Legal Settlements PaymentsForLegalSettlements	500000	USD

Files In Submission

Name	View Source	Status
0001213900-19-005149-index-headers.html	Edgar Link	pending
0001213900-19-005149-index.html	Edgar Link	pending
0001213900-19-005149.txt	Edgar Link	pending
0001213900-19-005149-xbrl.zip	Edgar Link	pending
ex211_1.htm	Edgar Link	pending
ex231_2.htm	Edgar Link	pending
ex311_3.htm	Edgar Link	pending
ex312_4.htm	Edgar Link	pending
ex321_5.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
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R61.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
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R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
sgbx-20181231.htm	Edgar Link	pending
sgbx-20181231.xsd	Edgar Link	pending
sgbx-20181231_cal.xml	Edgar Link	unprocessable
sgbx-20181231_def.xml	Edgar Link	unprocessable
sgbx-20181231_htm.xml	Edgar Link	completed
sgbx-20181231_lab.xml	Edgar Link	unprocessable
sgbx-20181231_pre.xml	Edgar Link	unprocessable
Show.js	Edgar Link	pending

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$SGBX
SAFE & GREEN HOLDINGS CORP. Stock $sgbx

2019 Q1 Form 10-K Financial Statement

#000121390019005149 Filed on March 29, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SGBX SAFE & GREEN HOLDINGS CORP. Stock $sgbx

2019 Q1 Form 10-K Financial Statement

#000121390019005149 Filed on March 29, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SGBX
SAFE & GREEN HOLDINGS CORP. Stock $sgbx