Summary of Significant Accounting Policies (Details) |
3 Months Ended | 9 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|
|
Mar. 31, 2021
USD ($)
|
Mar. 31, 2021
USD ($)
|
Mar. 31, 2020
USD ($)
|
Dec. 31, 2019
USD ($)
|
Mar. 31, 2021
USD ($)
|
Mar. 31, 2020
USD ($)
|
Dec. 31, 2020
USD ($)
|
Dec. 31, 2020
CNY (¥)
|
Jun. 30, 2020
USD ($)
|
|
| Accounting Policies [Abstract] | |||||||||
| Net income, percentage | 90.00% | ||||||||
| Cash balance at U.S. financial institutions, not insured by the FDIC | $ 47,768,630 | $ 47,768,630 | $ 47,768,630 | $ 126,720 | |||||
| Insured each depositor at one bank | $ 70,000 | ¥ 500,000 | |||||||
| Federal deposit insurance corporation expenses | $ 250,000 | ||||||||
| Compensation expenses, description | Hong Kong Deposit Protection Board pays compensation up to a limit of HKD 500,000 (approximately $64,000) if the bank with which an individual/a company holds its eligible deposit fails. As of March 31, 2021 and June 30, 2020, amount of deposits the Company had not covered by insurance amounted to $47,112,996 and $8,780, respectively. | ||||||||
| Description of receivables and allowance for doubtful accounts | Receivables are generally considered past due after 180 days. The Company reserves 25%-50% of the customers balance aged between 181 days to 1 year, 50%-100% of the customers balance over 1 year and 100% of the customers balance over 2 years. Accounts receivable are written off against the allowances only after exhaustive collection efforts. | ||||||||
| Allowance for doutfull accounts | 999,960 | $ 3,121,416 | $ 1,033,414 | $ 4,428,108 | |||||
| Accounts receivable | $ 3,255,938 | 2,492 | 3,255,938 | ||||||
| No write off | 99,366 | ||||||||
| Allowance for doubtful accounts of other receivables | 11,670 | ||||||||
| Written off against other receivables | 1,763 | 11,670 | |||||||
| Recoverey of other receivables | $ 94,046 | 124,216 | |||||||
| Impairment | 127,177 | 127,177 | |||||||
| Impairment of intangible assets | $ 200,455 | $ 200,455 | |||||||
| Gross revenue description | For the three months ended March 31, 2020, gross revenue and gross cost of revenue related to these contracts not presented in the table above amounted to approximately $2.0 million and $2.0 million, respectively. For the nine months ended March 31, 2020, gross revenue and gross cost of revenue related to these contracts amounted to approximately $24.0 million and $22.5 million, respectively. There was no such transaction for the three and nine months ended March 31, 2021. | ||||||||
| Percentage Of Income Tax | 25.00% | ||||||||
| VAT rate, description | The Company is subject to value added tax (“VAT”). Revenue from services provided by the Company’s PRC subsidiaries and affiliates, including Sino-China and Trans Pacific are subject to VAT at rates ranging from 9% to 13%. | ||||||||
| Percentage of construction taxes | 7.00% | ||||||||
| Percentage of education surcharges | 3.00% | ||||||||