v2.4.1.9

ADVANCES TO SUPPLIERS (Details Textual) (CNY)	1 Months Ended
	Apr. 22, 2015	Nov. 24, 2014	Nov. 03, 2014
Sainuo Investment Management Ltd [Member]
Advance To Suppliers [Line Items]
Investment Advisory Services Success Fee Percentage			8.00%sino_InvestmentAdvisoryServicesSuccessFeePercentage / dei_LegalEntityAxis = sino_SainuoInvestmentManagementLtdMember
Advance Payment To Investment Advisory Services Success Fee		3,500,000sino_AdvancePaymentToInvestmentAdvisoryServicesSuccessFee / dei_LegalEntityAxis = sino_SainuoInvestmentManagementLtdMember
Repayment Of Advance Amount		100,000sino_RepaymentOfAdvanceAmount / dei_LegalEntityAxis = sino_SainuoInvestmentManagementLtdMember
Vessel Seller [Member] | Subsequent Event [Member]
Advance To Suppliers [Line Items]
Cash Acquired from Acquisition	300,000us-gaap_CashAcquiredFromAcquisition / dei_LegalEntityAxis = sino_VesselSellerMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Payments to Acquire Businesses, Gross	3,200,000us-gaap_PaymentsToAcquireBusinessesGross / dei_LegalEntityAxis = sino_VesselSellerMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember

X

- Definition

Represents advance payment to investment advisory services success fee.

+ References

No definition available.

+ Details

Name:	sino_AdvancePaymentToInvestmentAdvisoryServicesSuccessFee
Namespace Prefix:	sino_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	sino_AdvanceToSuppliersLineItems
Namespace Prefix:	sino_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

This element refers to investment advisory services success fee percentage.

+ References

No definition available.

+ Details

Name:	sino_InvestmentAdvisoryServicesSuccessFeePercentage
Namespace Prefix:	sino_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Represents repayment of advance amount during the period.

+ References

No definition available.

+ Details

Name:	sino_RepaymentOfAdvanceAmount
Namespace Prefix:	sino_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

+ Details

Name:	us-gaap_CashAcquiredFromAcquisition
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	dei_LegalEntityAxis=sino_SainuoInvestmentManagementLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=sino_VesselSellerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: