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ACQUISITION OF LONGHE SHIP MANAGEMENT COMPANY (Details) (USD $)
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3 Months Ended |
9 Months Ended |
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Mar. 31, 2015
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Mar. 31, 2014
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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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| Business Acquisition [Line Items] |
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| Revenue |
$ 2,526,762us-gaap_Revenues |
$ 2,092,525us-gaap_Revenues |
$ 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 |
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 |
3,920,676us-gaap_GrossProfit |
2,805,289us-gaap_GrossProfit |
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| Net income |
331,913us-gaap_ProfitLoss |
86,399us-gaap_ProfitLoss |
573,154us-gaap_ProfitLoss |
198,137us-gaap_ProfitLoss |
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| Total assets |
8,101,731us-gaap_Assets |
4,518,347us-gaap_Assets |
8,101,731us-gaap_Assets |
4,518,347us-gaap_Assets |
5,713,954us-gaap_Assets |
| Total liabilities |
1,194,378us-gaap_Liabilities |
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1,194,378us-gaap_Liabilities |
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1,230,795us-gaap_Liabilities |
| Parent Company [Member] |
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| Business Acquisition [Line Items] |
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| Revenue |
2,526,762us-gaap_Revenues / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
2,092,525us-gaap_Revenues / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
8,035,192us-gaap_Revenues / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
7,882,374us-gaap_Revenues / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
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| Cost of revenues |
1,220,577us-gaap_CostOfRevenue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
948,514us-gaap_CostOfRevenue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
4,401,029us-gaap_CostOfRevenue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
5,077,085us-gaap_CostOfRevenue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
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| Gross profit |
1,306,185us-gaap_GrossProfit / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
1,144,011us-gaap_GrossProfit / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
3,634,163us-gaap_GrossProfit / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
2,805,289us-gaap_GrossProfit / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
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| Net income |
331,976us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
86,399us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
480,450us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
198,137us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
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| Total assets |
8,006,930us-gaap_Assets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
4,518,347us-gaap_Assets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
8,006,930us-gaap_Assets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
4,518,347us-gaap_Assets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
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| Total liabilities |
1,192,289us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
1,169,160us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
1,192,289us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
1,169,160us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
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| Longhe Ship Management Acquisition [Member] |
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| Business Acquisition [Line Items] |
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| Revenue |
0us-gaap_Revenues / dei_LegalEntityAxis = sino_LongheShipManagementAcquisitionMember |
0us-gaap_Revenues / dei_LegalEntityAxis = sino_LongheShipManagementAcquisitionMember |
285,024us-gaap_Revenues / dei_LegalEntityAxis = sino_LongheShipManagementAcquisitionMember |
0us-gaap_Revenues / dei_LegalEntityAxis = sino_LongheShipManagementAcquisitionMember |
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| Cost of revenues |
0us-gaap_CostOfRevenue / dei_LegalEntityAxis = sino_LongheShipManagementAcquisitionMember |
0us-gaap_CostOfRevenue / dei_LegalEntityAxis = sino_LongheShipManagementAcquisitionMember |
144,612us-gaap_CostOfRevenue / dei_LegalEntityAxis = sino_LongheShipManagementAcquisitionMember |
0us-gaap_CostOfRevenue / dei_LegalEntityAxis = sino_LongheShipManagementAcquisitionMember |
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| Gross profit |
0us-gaap_GrossProfit / dei_LegalEntityAxis = sino_LongheShipManagementAcquisitionMember |
0us-gaap_GrossProfit / dei_LegalEntityAxis = sino_LongheShipManagementAcquisitionMember |
140,412us-gaap_GrossProfit / dei_LegalEntityAxis = sino_LongheShipManagementAcquisitionMember |
0us-gaap_GrossProfit / dei_LegalEntityAxis = sino_LongheShipManagementAcquisitionMember |
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| Net income |
(63)us-gaap_ProfitLoss / dei_LegalEntityAxis = sino_LongheShipManagementAcquisitionMember |
0us-gaap_ProfitLoss / dei_LegalEntityAxis = sino_LongheShipManagementAcquisitionMember |
136,807us-gaap_ProfitLoss / dei_LegalEntityAxis = sino_LongheShipManagementAcquisitionMember |
0us-gaap_ProfitLoss / dei_LegalEntityAxis = sino_LongheShipManagementAcquisitionMember |
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| Total assets |
267,880us-gaap_Assets / dei_LegalEntityAxis = sino_LongheShipManagementAcquisitionMember |
0us-gaap_Assets / dei_LegalEntityAxis = sino_LongheShipManagementAcquisitionMember |
267,880us-gaap_Assets / dei_LegalEntityAxis = sino_LongheShipManagementAcquisitionMember |
0us-gaap_Assets / dei_LegalEntityAxis = sino_LongheShipManagementAcquisitionMember |
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| Total liabilities |
2,089us-gaap_Liabilities / dei_LegalEntityAxis = sino_LongheShipManagementAcquisitionMember |
0us-gaap_Liabilities / dei_LegalEntityAxis = sino_LongheShipManagementAcquisitionMember |
2,089us-gaap_Liabilities / dei_LegalEntityAxis = sino_LongheShipManagementAcquisitionMember |
0us-gaap_Liabilities / dei_LegalEntityAxis = sino_LongheShipManagementAcquisitionMember |
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| Elimination [Member] |
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| Business Acquisition [Line Items] |
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| Revenue |
0us-gaap_Revenues / dei_LegalEntityAxis = sino_EliminationMember |
0us-gaap_Revenues / dei_LegalEntityAxis = sino_EliminationMember |
0us-gaap_Revenues / dei_LegalEntityAxis = sino_EliminationMember |
0us-gaap_Revenues / dei_LegalEntityAxis = sino_EliminationMember |
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| Cost of revenues |
0us-gaap_CostOfRevenue / dei_LegalEntityAxis = sino_EliminationMember |
0us-gaap_CostOfRevenue / dei_LegalEntityAxis = sino_EliminationMember |
0us-gaap_CostOfRevenue / dei_LegalEntityAxis = sino_EliminationMember |
0us-gaap_CostOfRevenue / dei_LegalEntityAxis = sino_EliminationMember |
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| Gross profit |
0us-gaap_GrossProfit / dei_LegalEntityAxis = sino_EliminationMember |
0us-gaap_GrossProfit / dei_LegalEntityAxis = sino_EliminationMember |
0us-gaap_GrossProfit / dei_LegalEntityAxis = sino_EliminationMember |
0us-gaap_GrossProfit / dei_LegalEntityAxis = sino_EliminationMember |
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| Net income |
0us-gaap_ProfitLoss / dei_LegalEntityAxis = sino_EliminationMember |
0us-gaap_ProfitLoss / dei_LegalEntityAxis = sino_EliminationMember |
0us-gaap_ProfitLoss / dei_LegalEntityAxis = sino_EliminationMember |
0us-gaap_ProfitLoss / dei_LegalEntityAxis = sino_EliminationMember |
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| Total assets |
(173,079)us-gaap_Assets / dei_LegalEntityAxis = sino_EliminationMember |
0us-gaap_Assets / dei_LegalEntityAxis = sino_EliminationMember |
(173,079)us-gaap_Assets / dei_LegalEntityAxis = sino_EliminationMember |
0us-gaap_Assets / dei_LegalEntityAxis = sino_EliminationMember |
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| Total liabilities |
0us-gaap_Liabilities / dei_LegalEntityAxis = sino_EliminationMember |
0us-gaap_Liabilities / dei_LegalEntityAxis = sino_EliminationMember |
0us-gaap_Liabilities / dei_LegalEntityAxis = sino_EliminationMember |
0us-gaap_Liabilities / dei_LegalEntityAxis = sino_EliminationMember |
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| Combined [Member] |
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| Business Acquisition [Line Items] |
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| Revenue |
2,526,762us-gaap_Revenues / dei_LegalEntityAxis = sino_CombinedMember |
2,092,525us-gaap_Revenues / dei_LegalEntityAxis = sino_CombinedMember |
8,320,216us-gaap_Revenues / dei_LegalEntityAxis = sino_CombinedMember |
7,882,374us-gaap_Revenues / dei_LegalEntityAxis = sino_CombinedMember |
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| Cost of revenues |
1,220,577us-gaap_CostOfRevenue / dei_LegalEntityAxis = sino_CombinedMember |
948,514us-gaap_CostOfRevenue / dei_LegalEntityAxis = sino_CombinedMember |
4,545,641us-gaap_CostOfRevenue / dei_LegalEntityAxis = sino_CombinedMember |
5,077,085us-gaap_CostOfRevenue / dei_LegalEntityAxis = sino_CombinedMember |
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| Gross profit |
1,306,185us-gaap_GrossProfit / dei_LegalEntityAxis = sino_CombinedMember |
1,144,011us-gaap_GrossProfit / dei_LegalEntityAxis = sino_CombinedMember |
3,774,575us-gaap_GrossProfit / dei_LegalEntityAxis = sino_CombinedMember |
2,805,289us-gaap_GrossProfit / dei_LegalEntityAxis = sino_CombinedMember |
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| Net income |
331,913us-gaap_ProfitLoss / dei_LegalEntityAxis = sino_CombinedMember |
86,399us-gaap_ProfitLoss / dei_LegalEntityAxis = sino_CombinedMember |
617,257us-gaap_ProfitLoss / dei_LegalEntityAxis = sino_CombinedMember |
198,137us-gaap_ProfitLoss / dei_LegalEntityAxis = sino_CombinedMember |
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| Total assets |
8,101,731us-gaap_Assets / dei_LegalEntityAxis = sino_CombinedMember |
4,518,347us-gaap_Assets / dei_LegalEntityAxis = sino_CombinedMember |
8,101,731us-gaap_Assets / dei_LegalEntityAxis = sino_CombinedMember |
4,518,347us-gaap_Assets / dei_LegalEntityAxis = sino_CombinedMember |
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| Total liabilities |
$ 1,194,378us-gaap_Liabilities / dei_LegalEntityAxis = sino_CombinedMember |
$ 1,169,160us-gaap_Liabilities / dei_LegalEntityAxis = sino_CombinedMember |
$ 1,194,378us-gaap_Liabilities / dei_LegalEntityAxis = sino_CombinedMember |
$ 1,169,160us-gaap_Liabilities / dei_LegalEntityAxis = sino_CombinedMember |
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