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Summary of Significant Accounting Policies (Details) (USD $)	Mar. 31, 2015	Dec. 31, 2014
Summary of financial liabilities measured at fair value on a recurring basis
Warrant liabilities	$ 252,789sgbx_WarrantLiabilities	$ 536,671sgbx_WarrantLiabilities
Conversion option liabilities	7,991sgbx_ConversionOptionLiabilities	110,000sgbx_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	252,789	536,671
Conversion option liabilities	$ 7,991	$ 110,000