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Liquidity and Financial Condition (Details) (USD $)	3 Months Ended	1 Months Ended
	Mar. 31, 2015	Apr. 30, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013	May 08, 2015
Liquidity and Financial Condition (Textual)
Accumulated deficiency	$ (11,094,438)us-gaap_RetainedEarningsAccumulatedDeficit		$ (10,737,393)us-gaap_RetainedEarningsAccumulatedDeficit
Cash balance	578,592us-gaap_CashAndCashEquivalentsAtCarryingValue		884,188us-gaap_CashAndCashEquivalentsAtCarryingValue	76,673us-gaap_CashAndCashEquivalentsAtCarryingValue	594,248us-gaap_CashAndCashEquivalentsAtCarryingValue
Period for capital requirements fund	10 to 16 months
Subsequent Event [Member]
Liquidity and Financial Condition (Textual)
Cash balance
Issuance of convertible debentures		3,995,700us-gaap_ProceedsFromConvertibleDebt / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Term of license		15 years
Royalty percentage of actual revenues		10.00%sgbx_RoyaltyPercentageOfActualRevenues / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Royalty Revenue		$ 10,000,000us-gaap_RoyaltyRevenue / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
License agreement description		Enter into a contract in the amount of no less than $10,000,000 for the manufacture of buildings under the License Agreement.

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License agreement description.

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Period for capital requirements fund growth.

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Royalty Percentage of actual revenues.

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Term of license.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Cash

-URI http://asc.fasb.org/extlink&oid=6506951



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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Cash Equivalents

-URI http://asc.fasb.org/extlink&oid=6507016



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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-Section S99

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The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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-Name Accounting Standards Codification

-Glossary Financing Activities

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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Revenue earned during the period from the leasing or otherwise lending to a third party the entity's rights or title to certain property. Royalty revenue is derived from a percentage or stated amount of sales proceeds or revenue generated by the third party using the entity's property. Examples of property from which royalties may be derived include patents and oil and mineral rights.

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