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Income Taxes (Details Textual) - USD ($) | 6 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2019 | Jun. 30, 2019 | Jun. 30, 2018
Income Taxes (Textual) |  |  |
Deferred tax assets related to its operations in the PRC | $ 6,000,000 | $ 5,300,000 |
Other business tax payables | 151,388 | 80,860 |
Increased decreased in valuation allowance |  | 749,692 | $ 1,113,182
Valuation allowance on the deferred tax asset | 59,239 |  |
Deferred tax assets | $ 6,048,490 | $ 5,298,798 | $ 4,185,616
BVI [Member] |  |  |
Income Taxes (Textual) |  |  |
Income tax rate under current BVI law | 0.00% |  |
PRC [Member] |  |  |
Income Taxes (Textual) |  |  |
Net operating loss carry maturity date | Jun. 30, 2024 |  |
Deferred tax asset allowance, percentage | 100.00% |  |
Statutory corporate income tax rate | 25.00% |  |
High-tech certificate renewed year | 3 years |  |
Income tax rate reduction, description | Xin Ao was entitled to a reduction in its income tax rate from 25% to 15% until July 21, 2018. |  |
EIT law imposes withholding income tax | 10.00% |  |
CACM [Member] |  |  |
Income Taxes (Textual) |  |  |
Deferred tax asset allowance, percentage | 100.00% |  |
Net operating loss carryforward | $ 200,000 |  |

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