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% | ||