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Summary of Significant Accounting Policies (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Summary of financial liabilities measured at fair value on a recurring basis
Warrant liabilities	$ 536,671us-gaap_OtherLiabilitiesCurrent	$ 214,738us-gaap_OtherLiabilitiesCurrent
Conversion option liabilities	110,000sgbx_ConversionOptionLiabilities	2,873sgbx_ConversionOptionLiabilities
Fair value measured on a recurring basis [Member] \| Quoted prices in active market for identical assets (Level l) [Member]
Summary of financial liabilities measured at fair value on a recurring basis
Warrant liabilities
Conversion option liabilities
Fair value measured on a recurring basis [Member] \| Significant other observable inputs (Level 2) [Member]
Summary of financial liabilities measured at fair value on a recurring basis
Warrant liabilities
Conversion option liabilities
Fair value measured on a recurring basis [Member] \| Significant unobservable inputs (Level 3) [Member]
Summary of financial liabilities measured at fair value on a recurring basis
Warrant liabilities	536,671	214,738
Conversion option liabilities	$ 110,000	$ 2,873

Aggregate carrying amount of current liabilities (due within one year or within the normal operating cycle if longer) not separately disclosed in the balance sheet. Includes costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered and of liabilities not separately disclosed.

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