v3.21.2

Other Receivables, Net (Tables) | 12 Months Ended
--- | ---
Jun. 30, 2021
Receivables [Abstract] |
Schedule of other receivables |
|  | June 30, |  |  | June 30, |
|  | 2021 |  |  | 2020 |
Advances to customers* |  | $ | 6,025,670 |  |  | $ | 10,004,893 |
Employee business advances |  |  | 1,154 |  |  |  | 51,334 |
Total |  |  | 6,026,824 |  |  |  | 10,056,227 |
Less: allowances for doubtful accounts |  |  | (6,024,266 | ) |  |  | (10,005,193 | )
Other receivables, net – continuing operations |  | $ | 2,558 |  |  | $ | 51,034 |
Schedule of movement of allowance for doubtful accounts |
|  | June 30, |  |  | June 30, |
|  | 2021 |  |  | 2020 |
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_ScheduleOfOtherReceivableTableTextBlock
Namespace Prefix: | sino_
Data Type: | dtr:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
Name: | us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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