v3.21.1
Segment Reporting (Details) - USD ($)
$ in Millions
3 Months Ended
9 Months Ended
Mar. 31, 2020
Mar. 31, 2020
Segment Reporting [Abstract]
Gross revenue
$ 2.0
$ 24.0
Gross cost of revenue
$ 2.0
$ 22.5
X
- Definition
Gross cost of revenue.
+ References
No definition available.
+ Details
Name:
sino_GrossCostOfRevenue
Namespace Prefix:
sino_
Data Type:
xbrli:monetaryItemType
Balance Type:
debit
Period Type:
duration
X
- Definition
Gross revenue.
+ References
No definition available.
+ Details
Name:
sino_GrossRevenue
Namespace Prefix:
sino_
Data Type:
xbrli:monetaryItemType
Balance Type:
credit
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
us-gaap_SegmentReportingAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration