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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 1)
Mar. 31, 2015
Jun. 30, 2014
Mar. 31, 2014
RMB [Member] | Balance Sheet [Member]      
Foreign Currency Exchange Rate, Translation1 6.2005us-gaap_ForeignCurrencyExchangeRateTranslation1
/ us-gaap_BalanceSheetLocationAxis
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/ sino_ForeignCurrencyExchangeRateAxis
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/ us-gaap_BalanceSheetLocationAxis
= sino_BalanceSheetMember
/ sino_ForeignCurrencyExchangeRateAxis
= sino_RmbMember		  
RMB [Member] | Income Statement [Member]      
Foreign Currency Exchange Rate, Translation1 6.1831us-gaap_ForeignCurrencyExchangeRateTranslation1
/ sino_ForeignCurrencyExchangeRateAxis
= sino_RmbMember
/ us-gaap_IncomeStatementLocationAxis
= sino_IncomeStatementMember		   6.106us-gaap_ForeignCurrencyExchangeRateTranslation1
/ sino_ForeignCurrencyExchangeRateAxis
= sino_RmbMember
/ us-gaap_IncomeStatementLocationAxis
= sino_IncomeStatementMember
RMB [Member] | Income Statement [Member]      
Foreign Currency Exchange Rate, Translation1 6.2364us-gaap_ForeignCurrencyExchangeRateTranslation1
/ sino_ForeignCurrencyExchangeRateAxis
= sino_RmbMember
/ us-gaap_IncomeStatementLocationAxis
= sino_IncomeStatementOneMember		   6.1008us-gaap_ForeignCurrencyExchangeRateTranslation1
/ sino_ForeignCurrencyExchangeRateAxis
= sino_RmbMember
/ us-gaap_IncomeStatementLocationAxis
= sino_IncomeStatementOneMember
AUD [Member] | Balance Sheet [Member]      
Foreign Currency Exchange Rate, Translation1 1.3115us-gaap_ForeignCurrencyExchangeRateTranslation1
/ us-gaap_BalanceSheetLocationAxis
= sino_BalanceSheetMember
/ sino_ForeignCurrencyExchangeRateAxis
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/ us-gaap_BalanceSheetLocationAxis
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/ sino_ForeignCurrencyExchangeRateAxis
= sino_AudMember		  
AUD [Member] | Income Statement [Member]      
Foreign Currency Exchange Rate, Translation1 1.1748us-gaap_ForeignCurrencyExchangeRateTranslation1
/ sino_ForeignCurrencyExchangeRateAxis
= sino_AudMember
/ us-gaap_IncomeStatementLocationAxis
= sino_IncomeStatementMember		   1.0958us-gaap_ForeignCurrencyExchangeRateTranslation1
/ sino_ForeignCurrencyExchangeRateAxis
= sino_AudMember
/ us-gaap_IncomeStatementLocationAxis
= sino_IncomeStatementMember
AUD [Member] | Income Statement [Member]      
Foreign Currency Exchange Rate, Translation1 1.2721us-gaap_ForeignCurrencyExchangeRateTranslation1
/ sino_ForeignCurrencyExchangeRateAxis
= sino_AudMember
/ us-gaap_IncomeStatementLocationAxis
= sino_IncomeStatementOneMember		   1.1155us-gaap_ForeignCurrencyExchangeRateTranslation1
/ sino_ForeignCurrencyExchangeRateAxis
= sino_AudMember
/ us-gaap_IncomeStatementLocationAxis
= sino_IncomeStatementOneMember
HKD [Member] | Balance Sheet [Member]      
Foreign Currency Exchange Rate, Translation1 7.7536us-gaap_ForeignCurrencyExchangeRateTranslation1
/ us-gaap_BalanceSheetLocationAxis
= sino_BalanceSheetMember
/ sino_ForeignCurrencyExchangeRateAxis
= sino_HkdMember		 7.7503us-gaap_ForeignCurrencyExchangeRateTranslation1
/ us-gaap_BalanceSheetLocationAxis
= sino_BalanceSheetMember
/ sino_ForeignCurrencyExchangeRateAxis
= sino_HkdMember		  
HKD [Member] | Income Statement [Member]      
Foreign Currency Exchange Rate, Translation1 7.7542us-gaap_ForeignCurrencyExchangeRateTranslation1
/ sino_ForeignCurrencyExchangeRateAxis
= sino_HkdMember
/ us-gaap_IncomeStatementLocationAxis
= sino_IncomeStatementMember		   7.756us-gaap_ForeignCurrencyExchangeRateTranslation1
/ sino_ForeignCurrencyExchangeRateAxis
= sino_HkdMember
/ us-gaap_IncomeStatementLocationAxis
= sino_IncomeStatementMember
HKD [Member] | Income Statement [Member]      
Foreign Currency Exchange Rate, Translation1 7.7558us-gaap_ForeignCurrencyExchangeRateTranslation1
/ sino_ForeignCurrencyExchangeRateAxis
= sino_HkdMember
/ us-gaap_IncomeStatementLocationAxis
= sino_IncomeStatementOneMember		   7.7591us-gaap_ForeignCurrencyExchangeRateTranslation1
/ sino_ForeignCurrencyExchangeRateAxis
= sino_HkdMember
/ us-gaap_IncomeStatementLocationAxis
= sino_IncomeStatementOneMember
CAD [Member] | Balance Sheet [Member]      
Foreign Currency Exchange Rate, Translation1 1.2678us-gaap_ForeignCurrencyExchangeRateTranslation1
/ us-gaap_BalanceSheetLocationAxis
= sino_BalanceSheetMember
/ sino_ForeignCurrencyExchangeRateAxis
= sino_CadMember		 1.0672us-gaap_ForeignCurrencyExchangeRateTranslation1
/ us-gaap_BalanceSheetLocationAxis
= sino_BalanceSheetMember
/ sino_ForeignCurrencyExchangeRateAxis
= sino_CadMember		  
CAD [Member] | Income Statement [Member]      
Foreign Currency Exchange Rate, Translation1 1.1554us-gaap_ForeignCurrencyExchangeRateTranslation1
/ sino_ForeignCurrencyExchangeRateAxis
= sino_CadMember
/ us-gaap_IncomeStatementLocationAxis
= sino_IncomeStatementMember		   1.0638us-gaap_ForeignCurrencyExchangeRateTranslation1
/ sino_ForeignCurrencyExchangeRateAxis
= sino_CadMember
/ us-gaap_IncomeStatementLocationAxis
= sino_IncomeStatementMember
CAD [Member] | Income Statement [Member]      
Foreign Currency Exchange Rate, Translation1 1.2409us-gaap_ForeignCurrencyExchangeRateTranslation1
/ sino_ForeignCurrencyExchangeRateAxis
= sino_CadMember
/ us-gaap_IncomeStatementLocationAxis
= sino_IncomeStatementOneMember		   1.1027us-gaap_ForeignCurrencyExchangeRateTranslation1
/ sino_ForeignCurrencyExchangeRateAxis
= sino_CadMember
/ us-gaap_IncomeStatementLocationAxis
= sino_IncomeStatementOneMember