Intangible Assets, Net (Details) - USD ($)	Dec. 31, 2018	Jun. 30, 2018
Intangible Assets, Net [Abstract]
Full service logistics platforms	$ 190,000	$ 190,000
Less: Accumulated amortization	(68,611)	(36,944)
Intangible asset, net	$ 121,389	$ 153,056

The amount of full service logistics platformsbefore amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

No definition available.

+ Details

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

- References

No definition available.

+ Details

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

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant