XML 18 R37.htm IDEA: XBRL DOCUMENT v2.4.1.9
Warrants (Details) (Warrant [Member], USD $)
3 Months Ended
Mar. 31, 2015
Warrant [Member]
 
Number of Warrants  
Beginning balance 25,572,059us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
Issued   
Exercised   
Forfeited   
Ending balance 25,572,059us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
Exercisable 25,572,059sgbx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
Weighted Average Exercise Price Per Share  
Beginning balance $ 0.27us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
Granted   
Exercises   
Forfeited   
Ending balance $ 0.27us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
Exercisable $ 0.27us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
Weighted Average Remaining Terms (in years)  
Beginning balance 3 years 10 months 21 days
Ending balance 3 years 7 months 24 days
Exercisable 3 years 7 months 24 days
Aggregate Intrinsic Value  
Beginning Balance   
Ending Balance   
Exercisable