Equity (Details 2) - Series A [Member]	12 Months Ended
Jun. 30, 2019 $ / shares shares
Warrants Exercisable \| shares	2,000,000
Weighted Average Exercise Price \| $ / shares	$ 1.75
Average Remaining Contractual Life	4 years 2 months 16 days

Weighted average remaining contractual term for warrant awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	sino_SharebasedCompensationArrangementBySharebasedPaymentAwardWarrantsOutstandingWeightedAverageRemainingContractualTerm
Namespace Prefix:	sino_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration