v3.21.2

Accounts Receivable, Net (Tables) | 12 Months Ended
--- | ---
Jun. 30, 2021
Credit Loss, Additional Improvements [Abstract] |
Schedule of net accounts receivable |
|  | June 30, |  |  | June 30, |
|  | 2021 |  |  | 2020 |
Trade accounts receivable |  | $ | 3,589,011 |  |  | $ | 3,453,439 |
Less: allowances for doubtful accounts |  |  | (3,475,769 | ) |  |  | (2,297,491 | )
Accounts receivable, net |  | $ | 113,242 |  |  | $ | 1,155,948 |
Schedule of allowance for doubtful accounts |
|  | June 30, |  |  | June 30, |
|  | 2021 |  |  | 2020 |
Beginning balance |  | $ | 2,297,491 |  |  | $ | 5,670,274 |
Provision for doubtful accounts, net of recovery |  |  | 1,030,895 |  |  |  | 4,896,640 |
Less: write-off |  |  | - |  |  |  | (8,220,754 | )
Exchange rate effect |  |  | 147,383 |  |  |  | (48,669 | )
Ending balance |  | $ | 3,475,769 |  |  | $ | 2,297,491 |

X
- Definition Tabular disclosure of movement of allowance for doubtful accounts. + References No definition available. + Details
Name: | sino_ScheduleOfMovementOfAllowanceForDoubtfulAccountsTableTextBlock
Namespace Prefix: | sino_
Data Type: | dtr:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration