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Consolidated Statements of Changes in Stockholders' Equity (Deficiency) (Parenthetical) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012
Statement Of Changes In Stockholders' Deficiency [Abstract] |
Warrant liabilities related to stock issued in private offering | $ 19,130
Closing costs related to stock issued in private offering | $ 36,072

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- Definition Closing stock costs related to stock issued in private offering. + References No definition available. + Details
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Period Type: | duration

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- Definition Warrant liabilities amount related to stock issued in private offering. + References No definition available. + Details
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Namespace Prefix: | sgbx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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