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SEGMENT REPORTING (Details) (USD $)
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3 Months Ended |
6 Months Ended |
9 Months Ended |
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Mar. 31, 2015
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Mar. 31, 2014
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Dec. 31, 2013
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Mar. 31, 2015
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Mar. 31, 2014
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Jun. 30, 2014
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| Segment Reporting Information [Line Items] |
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| Revenues |
$ 2,526,762us-gaap_Revenues |
$ 2,092,525us-gaap_Revenues |
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$ 8,225,267us-gaap_Revenues |
$ 7,882,374us-gaap_Revenues |
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| Cost of revenues |
1,220,577us-gaap_CostOfRevenue |
948,514us-gaap_CostOfRevenue |
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4,304,591us-gaap_CostOfRevenue |
5,077,085us-gaap_CostOfRevenue |
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| Gross profit |
1,306,185us-gaap_GrossProfit |
1,144,011us-gaap_GrossProfit |
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3,920,676us-gaap_GrossProfit |
2,805,289us-gaap_GrossProfit |
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| Depreciation and amortization |
32,100us-gaap_DepreciationDepletionAndAmortization |
46,057us-gaap_DepreciationDepletionAndAmortization |
103,041us-gaap_DepreciationDepletionAndAmortization |
140,464us-gaap_DepreciationDepletionAndAmortization |
103,041us-gaap_DepreciationDepletionAndAmortization |
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| Total capital expenditures |
56,978us-gaap_PaymentsToAcquirePropertyPlantAndEquipment |
10,333us-gaap_PaymentsToAcquirePropertyPlantAndEquipment |
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84,086us-gaap_PaymentsToAcquirePropertyPlantAndEquipment |
203,702us-gaap_PaymentsToAcquirePropertyPlantAndEquipment |
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| Total assets |
8,101,731us-gaap_Assets |
4,518,347us-gaap_Assets |
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8,101,731us-gaap_Assets |
4,518,347us-gaap_Assets |
5,713,954us-gaap_Assets |
| Shipping Agency and Ship Management Services [Member] |
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| Segment Reporting Information [Line Items] |
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| Revenues |
1,231,182us-gaap_Revenues / sino_ServiceAxis = sino_ShippingAgencyServicesMember |
1,226,015us-gaap_Revenues / sino_ServiceAxis = sino_ShippingAgencyServicesMember |
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4,690,972us-gaap_Revenues / sino_ServiceAxis = sino_ShippingAgencyServicesMember |
4,628,578us-gaap_Revenues / sino_ServiceAxis = sino_ShippingAgencyServicesMember |
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| Cost of revenues |
980,136us-gaap_CostOfRevenue / sino_ServiceAxis = sino_ShippingAgencyServicesMember |
825,181us-gaap_CostOfRevenue / sino_ServiceAxis = sino_ShippingAgencyServicesMember |
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3,756,926us-gaap_CostOfRevenue / sino_ServiceAxis = sino_ShippingAgencyServicesMember |
3,598,641us-gaap_CostOfRevenue / sino_ServiceAxis = sino_ShippingAgencyServicesMember |
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| Gross profit |
251,046us-gaap_GrossProfit / sino_ServiceAxis = sino_ShippingAgencyServicesMember |
400,834us-gaap_GrossProfit / sino_ServiceAxis = sino_ShippingAgencyServicesMember |
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934,046us-gaap_GrossProfit / sino_ServiceAxis = sino_ShippingAgencyServicesMember |
1,029,937us-gaap_GrossProfit / sino_ServiceAxis = sino_ShippingAgencyServicesMember |
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| Depreciation and amortization |
29,511us-gaap_DepreciationDepletionAndAmortization / sino_ServiceAxis = sino_ShippingAgencyServicesMember |
19,852us-gaap_DepreciationDepletionAndAmortization / sino_ServiceAxis = sino_ShippingAgencyServicesMember |
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132,203us-gaap_DepreciationDepletionAndAmortization / sino_ServiceAxis = sino_ShippingAgencyServicesMember |
74,525us-gaap_DepreciationDepletionAndAmortization / sino_ServiceAxis = sino_ShippingAgencyServicesMember |
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| Total capital expenditures |
56,978us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / sino_ServiceAxis = sino_ShippingAgencyServicesMember |
1,472us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / sino_ServiceAxis = sino_ShippingAgencyServicesMember |
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84,086us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / sino_ServiceAxis = sino_ShippingAgencyServicesMember |
193,001us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / sino_ServiceAxis = sino_ShippingAgencyServicesMember |
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| Total assets |
7,869,985us-gaap_Assets / sino_ServiceAxis = sino_ShippingAgencyServicesMember |
3,099,046us-gaap_Assets / sino_ServiceAxis = sino_ShippingAgencyServicesMember |
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7,869,985us-gaap_Assets / sino_ServiceAxis = sino_ShippingAgencyServicesMember |
3,099,046us-gaap_Assets / sino_ServiceAxis = sino_ShippingAgencyServicesMember |
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| Shipping & Chartering Services [Member] |
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| Segment Reporting Information [Line Items] |
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| Revenues |
0us-gaap_Revenues / sino_ServiceAxis = sino_ShippingAndCharteringServicesMember |
0us-gaap_Revenues / sino_ServiceAxis = sino_ShippingAndCharteringServicesMember |
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0us-gaap_Revenues / sino_ServiceAxis = sino_ShippingAndCharteringServicesMember |
1,937,196us-gaap_Revenues / sino_ServiceAxis = sino_ShippingAndCharteringServicesMember |
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| Cost of revenues |
0us-gaap_CostOfRevenue / sino_ServiceAxis = sino_ShippingAndCharteringServicesMember |
0us-gaap_CostOfRevenue / sino_ServiceAxis = sino_ShippingAndCharteringServicesMember |
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0us-gaap_CostOfRevenue / sino_ServiceAxis = sino_ShippingAndCharteringServicesMember |
1,291,048us-gaap_CostOfRevenue / sino_ServiceAxis = sino_ShippingAndCharteringServicesMember |
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| Gross profit |
0us-gaap_GrossProfit / sino_ServiceAxis = sino_ShippingAndCharteringServicesMember |
0us-gaap_GrossProfit / sino_ServiceAxis = sino_ShippingAndCharteringServicesMember |
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0us-gaap_GrossProfit / sino_ServiceAxis = sino_ShippingAndCharteringServicesMember |
646,148us-gaap_GrossProfit / sino_ServiceAxis = sino_ShippingAndCharteringServicesMember |
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| Depreciation and amortization |
0us-gaap_DepreciationDepletionAndAmortization / sino_ServiceAxis = sino_ShippingAndCharteringServicesMember |
233us-gaap_DepreciationDepletionAndAmortization / sino_ServiceAxis = sino_ShippingAndCharteringServicesMember |
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0us-gaap_DepreciationDepletionAndAmortization / sino_ServiceAxis = sino_ShippingAndCharteringServicesMember |
699us-gaap_DepreciationDepletionAndAmortization / sino_ServiceAxis = sino_ShippingAndCharteringServicesMember |
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| Total capital expenditures |
0us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / sino_ServiceAxis = sino_ShippingAndCharteringServicesMember |
0us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / sino_ServiceAxis = sino_ShippingAndCharteringServicesMember |
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0us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / sino_ServiceAxis = sino_ShippingAndCharteringServicesMember |
0us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / sino_ServiceAxis = sino_ShippingAndCharteringServicesMember |
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| Total assets |
0us-gaap_Assets / sino_ServiceAxis = sino_ShippingAndCharteringServicesMember |
446,594us-gaap_Assets / sino_ServiceAxis = sino_ShippingAndCharteringServicesMember |
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0us-gaap_Assets / sino_ServiceAxis = sino_ShippingAndCharteringServicesMember |
446,594us-gaap_Assets / sino_ServiceAxis = sino_ShippingAndCharteringServicesMember |
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| Inland Transportation Management Services [Member] |
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| Segment Reporting Information [Line Items] |
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| Revenues |
1,295,580us-gaap_Revenues / sino_ServiceAxis = sino_InlandTransportationManagementServicesMember |
866,510us-gaap_Revenues / sino_ServiceAxis = sino_InlandTransportationManagementServicesMember |
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3,534,295us-gaap_Revenues / sino_ServiceAxis = sino_InlandTransportationManagementServicesMember |
1,316,600us-gaap_Revenues / sino_ServiceAxis = sino_InlandTransportationManagementServicesMember |
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| Cost of revenues |
240,441us-gaap_CostOfRevenue / sino_ServiceAxis = sino_InlandTransportationManagementServicesMember |
123,333us-gaap_CostOfRevenue / sino_ServiceAxis = sino_InlandTransportationManagementServicesMember |
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547,665us-gaap_CostOfRevenue / sino_ServiceAxis = sino_InlandTransportationManagementServicesMember |
187,396us-gaap_CostOfRevenue / sino_ServiceAxis = sino_InlandTransportationManagementServicesMember |
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| Gross profit |
1,055,139us-gaap_GrossProfit / sino_ServiceAxis = sino_InlandTransportationManagementServicesMember |
743,177us-gaap_GrossProfit / sino_ServiceAxis = sino_InlandTransportationManagementServicesMember |
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2,986,630us-gaap_GrossProfit / sino_ServiceAxis = sino_InlandTransportationManagementServicesMember |
1,129,204us-gaap_GrossProfit / sino_ServiceAxis = sino_InlandTransportationManagementServicesMember |
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| Depreciation and amortization |
2,589us-gaap_DepreciationDepletionAndAmortization / sino_ServiceAxis = sino_InlandTransportationManagementServicesMember |
9,324us-gaap_DepreciationDepletionAndAmortization / sino_ServiceAxis = sino_InlandTransportationManagementServicesMember |
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8,261us-gaap_DepreciationDepletionAndAmortization / sino_ServiceAxis = sino_InlandTransportationManagementServicesMember |
27,817us-gaap_DepreciationDepletionAndAmortization / sino_ServiceAxis = sino_InlandTransportationManagementServicesMember |
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| Total capital expenditures |
0us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / sino_ServiceAxis = sino_InlandTransportationManagementServicesMember |
8,861us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / sino_ServiceAxis = sino_InlandTransportationManagementServicesMember |
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0us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / sino_ServiceAxis = sino_InlandTransportationManagementServicesMember |
10,701us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / sino_ServiceAxis = sino_InlandTransportationManagementServicesMember |
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| Total assets |
$ 231,746us-gaap_Assets / sino_ServiceAxis = sino_InlandTransportationManagementServicesMember |
$ 972,707us-gaap_Assets / sino_ServiceAxis = sino_InlandTransportationManagementServicesMember |
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$ 231,746us-gaap_Assets / sino_ServiceAxis = sino_InlandTransportationManagementServicesMember |
$ 972,707us-gaap_Assets / sino_ServiceAxis = sino_InlandTransportationManagementServicesMember |
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