v2.4.1.9
Accounting policies (Additional Information) (Details)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
USD ($)
Dec. 31, 2014
CNY
Dec. 31, 2013
USD ($)
Dec. 31, 2013
CNY
Dec. 31, 2012
USD ($)
Dec. 31, 2012
CNY
Accounts receivable, trade and other receivables            
Net of provision for doubtful accounts      $ 98us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent      
Receivables financing facilities, due for repayment within 1 month      2,633us-gaap_OtherLoansPayableCurrent      
Government grants            
Grant revenue received from PRC municipal government 358us-gaap_RevenueFromGrants   302us-gaap_RevenueFromGrants       
Revenue recognition            
Sales returns               
Income taxes            
Penalties and interest incurred related to underpayment of income tax 24us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense   71us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense      
Advertising costs            
Advertising costs               
Shipping and handling            
Shipping and handling expense 86us-gaap_ShippingHandlingAndTransportationCosts   536us-gaap_ShippingHandlingAndTransportationCosts   327us-gaap_ShippingHandlingAndTransportationCosts  
Research and development costs            
Research and development costs $ 56us-gaap_ResearchAndDevelopmentExpense   $ 175us-gaap_ResearchAndDevelopmentExpense   $ 244us-gaap_ResearchAndDevelopmentExpense  
Foreign currency translation            
Balance sheet, excluding equity, foreign currency translation   6.12sgoc_ForeignCurrencyExchangeRateTranslationBalanceSheet   6.10sgoc_ForeignCurrencyExchangeRateTranslationBalanceSheet    
Income and cash flow statement foreign currency translation   6.14sgoc_ForeignCurrencyExchangeRateTranslationIncomeAndCashFlowStatement   6.20sgoc_ForeignCurrencyExchangeRateTranslationIncomeAndCashFlowStatement   6.31sgoc_ForeignCurrencyExchangeRateTranslationIncomeAndCashFlowStatement