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Taxes Payable (Details Textual) - USD ($) |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jan. 01, 2008 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Jun. 30, 2018
Taxes Payable (Textual) |  |  |  |  |  |
Income tax expense (benefit) |  | $ 1,527,645 | $ 1,530,938 | $ 3,182,061 | $ 3,253,593 | $ 35,852,127
Effective income tax rate reconciliation, percentage |  |  |  | 21.60% | 20.10% |
Effective income tax rate reconciliation, federal |  |  |  | 21.00% | 21.00% |
Value added tax rate |  |  |  | 13.00% |  |
periodic tax reduction, description |  |  |  | The two-year tax exemption and three-year 50% tax reduction tax holiday for production-oriented FIEs were eliminated. |  |
Enterprise Income Tax [Member] |  |  |  |  |  |
Taxes Payable (Textual) |  |  |  |  |  |
New enterprise income tax rate | 25.00% |  |  |  |  |
Existing enterprise income tax rate | 33.00% |  |  |  |  |
Income tax rate reconciliation tax holidays | 50.00% |  |  |  |  |
High tech income tax rate | 15.00% |  |  |  |  |
Jinong [Member] | Enterprise Income Tax [Member] |  |  |  |  |  |
Taxes Payable (Textual) |  |  |  |  |  |
Income tax expense (benefit) |  |  |  | $ 1,356,998 | $ 1,845,926 |
Gufeng [Member] | Enterprise Income Tax [Member] |  |  |  |  |  |
Taxes Payable (Textual) |  |  |  |  |  |
Income tax expense (benefit) |  |  |  | $ 1,071,227 | $ 1,106,590 |
Effective income tax rate reconciliation, federal |  |  |  | 25.00% |  |

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