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%