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ACQUISITION OF LONGHE SHIP MANAGEMENT COMPANY (Details Textual) (USD $)
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0 Months Ended |
9 Months Ended |
1 Months Ended |
0 Months Ended |
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Aug. 08, 2014
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Mar. 31, 2015
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Apr. 30, 2015
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Aug. 22, 2014
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Sep. 08, 2014
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| Business Acquisition [Line Items] |
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| Business Acquisition, Equity Interest Issued or Issuable, Number of Shares |
50,000us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued |
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| Restricted Stock [Member] |
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| Business Acquisition [Line Items] |
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| Number Of Shares Issued From Escrow |
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30,000sino_NumberOfSharesIssuedFromEscrow / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |
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| Restricted Stock [Member] | Subsequent Event [Member] |
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| Business Acquisition [Line Items] |
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| Number Of Shares Cancelled In Escrow |
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30,000sino_NumberOfSharesCancelledInEscrow / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
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| Mr. Deming Wang [Member] |
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| Business Acquisition [Line Items] |
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| Equity Method Investment, Ownership Percentage |
3.60%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sino_MrDemingWangMember |
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| Business Acquisition, Equity Interest Issued or Issuable, Number of Shares |
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50,000us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sino_MrDemingWangMember |
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| Mr. Deming Wang [Member] | Restricted Stock [Member] |
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| Business Acquisition [Line Items] |
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| Number Of Shares Issued From Escrow |
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20,000sino_NumberOfSharesIssuedFromEscrow / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sino_MrDemingWangMember |
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| Mr. Deming Wang [Member] | Restricted Stock [Member] | Subsequent Event [Member] |
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| Business Acquisition [Line Items] |
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| Number Of Shares Issued From Escrow |
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20,000sino_NumberOfSharesIssuedFromEscrow / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sino_MrDemingWangMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
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| Maximum [Member] | Mr. Deming Wang [Member] |
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| Business Acquisition [Line Items] |
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| Business Acquisition, Equity Interest Issued or Issuable, Number of Shares |
200,000us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sino_MrDemingWangMember |
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| Minimum [Member] | Mr. Deming Wang [Member] |
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| Business Acquisition [Line Items] |
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| Business Acquisition, Equity Interest Issued or Issuable, Number of Shares |
20,000us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sino_MrDemingWangMember |
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| Longhe Ship Management Acquisition [Member] |
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| Business Acquisition [Line Items] |
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| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets |
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$ 199,482us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets / us-gaap_BusinessAcquisitionAxis = sino_LongheShipManagementAcquisitionMember |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net |
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26,655us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_BusinessAcquisitionAxis = sino_LongheShipManagementAcquisitionMember |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents |
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23,289us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents / us-gaap_BusinessAcquisitionAxis = sino_LongheShipManagementAcquisitionMember |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables |
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47,409us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables / us-gaap_BusinessAcquisitionAxis = sino_LongheShipManagementAcquisitionMember |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other |
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128,784us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther / us-gaap_BusinessAcquisitionAxis = sino_LongheShipManagementAcquisitionMember |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable |
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24,054us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable / us-gaap_BusinessAcquisitionAxis = sino_LongheShipManagementAcquisitionMember |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other |
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2,022us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther / us-gaap_BusinessAcquisitionAxis = sino_LongheShipManagementAcquisitionMember |
| Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Liabilities Accrued Expenses |
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$ 579sino_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpenses / us-gaap_BusinessAcquisitionAxis = sino_LongheShipManagementAcquisitionMember |
| Percentage Of Assets Accounted |
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2.60%sino_PercentageOfAssetsAccounted / us-gaap_BusinessAcquisitionAxis = sino_LongheShipManagementAcquisitionMember |
| Percentage Of Liabilities Accounted |
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2.60%sino_PercentageOfLiabilitiesAccounted / us-gaap_BusinessAcquisitionAxis = sino_LongheShipManagementAcquisitionMember |