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CONCENTRATIONS (Details Textual)
 9 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Customer Concentration Risk [Member] | Sales Revenue, Services, Net [Member] | Major Customer One [Member]    
Concentration Risk, Percentage 22.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueServicesNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= sino_MajorCustomerOneMember		 41.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueServicesNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= sino_MajorCustomerOneMember
Customer Concentration Risk [Member] | Sales Revenue, Services, Net [Member] | Major Customer Two [Member]    
Concentration Risk, Percentage 21.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueServicesNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= sino_MajorCustomerTwoMember		 19.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueServicesNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= sino_MajorCustomerTwoMember
Customer Concentration Risk [Member] | Sales Revenue, Services, Net [Member] | Major Customer Three [Member]    
Concentration Risk, Percentage 14.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueServicesNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= sino_MajorCustomerThreeMember		  
Supplier Concentration Risk [Member] | Cost Of Sales [Member] | Major Supplier One [Member]    
Concentration Risk, Percentage 54.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfSalesMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_SupplierConcentrationRiskMember
/ sino_MajorSupplierAxis
= sino_MajorSupplierOneMember		 31.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfSalesMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_SupplierConcentrationRiskMember
/ sino_MajorSupplierAxis
= sino_MajorSupplierOneMember
Supplier Concentration Risk [Member] | Cost Of Sales [Member] | Major Supplier Two [Member]    
Concentration Risk, Percentage 19.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfSalesMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_SupplierConcentrationRiskMember
/ sino_MajorSupplierAxis
= sino_MajorSupplierTwoMember		 25.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfSalesMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_SupplierConcentrationRiskMember
/ sino_MajorSupplierAxis
= sino_MajorSupplierTwoMember
Supplier Concentration Risk [Member] | Cost Of Sales [Member] | Major Supplier Three [Member]    
Concentration Risk, Percentage 9.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfSalesMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_SupplierConcentrationRiskMember
/ sino_MajorSupplierAxis
= sino_MajorSupplierThreeMember