Summary of Significant Accounting Policies (Details Textual) - USD ($)	1 Months Ended	12 Months Ended
	Dec. 22, 2017	Jun. 30, 2018	Jun. 30, 2017
Summary of Significant Accounting Policies (Textual)
Cash balance at U.S. financial institutions, not insured by the FDIC		$ 6,205,960	$ 6,246,337
Cash balance at U.S. financial institutions, FDIC insured amount		$ 848,657	$ 2,462,792
Percentage of business tax		5.00%
Percentage of construction taxes		7.00%
Percentage of education surcharges		3.00%
Unexercised options included in the computation of diluted earnings per share		985,693	38,466
Percentage of income tax		25.00%
Corporate tax rates effective during the period, description	The U.S. corporate tax rate decreased from 35% to 21%. As the Company has a June 30 fiscal year-end, the lower corporate income tax rate will be phased in, resulting in a U.S. statutory federal rate of approximately 28% for our fiscal year ending June 30, 2018, and 21% for subsequent fiscal years.
Sino - China [Member]
Summary of Significant Accounting Policies (Textual)
Percentage of net income		90.00%