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Employee Post-Retirement Benefits (Details) - USD ($) | 6 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Employee post-retirement benefits (Textual) |  |
Defined contribution plan, description | The Company offers a defined contribution plan to eligible employees which consists of two parts: (i) the first part, paid by the Company, is 20% of the employee’s compensation from the prior year and (ii) the second part, paid by the employee, is 8% of the employee’s compensation. |
Employment benefits contributions amount | $ 300,000 | $ 300,000

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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Definition Description of defined contribution pension and other postretirement plans. + References No definition available. + Details
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