v3.21.2

Other Receivables, Net (Details) - Schedule of movement of allowance for doubtful accounts - USD ($) | 12 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020
Schedule of movement of allowance for doubtful accounts [Abstract] |  |
Beginning balance | $ 10,005,193 |
Provision (recovery) for doubtful accounts | (4,786,814) | 10,055,203
Less: write-off | (11,665) | (1,763)
Exchange rate effect | 817,550 | (48,247)
Ending balance | $ 6,024,266 | $ 10,005,193

X
- References No definition available. + Details
Name: | sino_AllowanceForDoubtfulAccountsReceivableAmount
Namespace Prefix: | sino_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Allowance for doubtful accounts receivable amount. + References No definition available. + Details
Name: | sino_AllowanceForDoubtfulAccountsReceivableAmounts
Namespace Prefix: | sino_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of direct write-downs of accounts receivable charged against the allowance. + References No definition available. + Details
Name: | sino_AllowanceForDoubtfulAccountsReceivableWriteOff
Namespace Prefix: | sino_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Recovery for doubtful accounts. + References No definition available. + Details
Name: | sino_RecoveryForDoubtfulAccounts
Namespace Prefix: | sino_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | sino_ScheduleOfMovementOfAllowanceForDoubtfulAccountsAbstract
Namespace Prefix: | sino_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of effect of exchange rate changes on cash balances held in foreign currencies. Excludes cash equivalents. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 230 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123444420&loc=d3e33268-110906 + Details
Name: | us-gaap_EffectOfExchangeRateOnCash
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration