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Taxes Payable (Details Textual) - USD ($) |  |  |  |  | 1 Months Ended | 12 Months Ended
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Mar. 20, 2019 | Apr. 04, 2018 | Apr. 28, 2017 | Jan. 01, 2008 | Dec. 22, 2017 | Jun. 30, 2019 | Jun. 30, 2018
Taxes Payable (Textual) |  |  |  |  |  |  |
Income tax expense (benefit) |  |  |  |  |  | $ 6,497,340 | $ 35,852,127
Effective income tax rate reconciliation, percentage |  |  |  |  |  | 35.90% | 124.00%
Effective income tax rate reconciliation, federal |  |  |  |  |  | 21.00% | 27.50%
Value added tax rate |  |  |  |  |  | 13.00% |
Value added tax, description | The PRC State of Administration of Taxation (SAT) released Notice 2019 #39, "Announcement on Policies Concerning Deepening the Reform of Value Added Tax," under which, Effective April 1, 2019, all of the Company's fertilizer products that are produced and sold in the PRC are subject to a Chinese Value-Added Tax (VAT) of 9% of the gross sales price. The tax rate was reduced 1% from 10%. | The PRC State of Administration of Taxation (SAT) released Notice 2018 #32, "Notice on Adjustment of VAT Tax Rate," under which, effective May 1, 2018, all of the Company's fertilizer products that are produced and sold in the PRC are subject to a Chinese Value-Added Tax (VAT) of 10% of the gross sales price. The tax rate was reduced 1% from 11%. | The PRC State of Administration of Taxation (SAT) released Notice 2017 #37, "Notice on Policy of Reduced Value Added Tax Rate," under which, effective July 1, 2017, all of the Company's fertilizer products that are produced and sold in the PRC are subject to a Chinese Value-Added Tax (VAT) of 11% of the gross sales price. The tax rate was reduced 2% from 13%. |  |  | On August 10, 2015 and August 28, 2015, the SAT released Notice #90. "Reinstatement of VAT for Fertilizer Products", and Notice #97, "Supplementary Reinstatement of VAT for Fertilizer Products", which restore the VAT of 13% of the gross sales price on certain fertilizer products includes non-organic fertilizer products starting from September 1, 2015, but granted taxpayers a reduced rate of 3% from September 1, 2015 through June 30, 2016. |
Valuation allowance |  |  |  |  |  | $ 15,377,180 | $ 14,997,710
Income tax, description |  |  |  |  | The TCJA was enacted into law, which significantly changes existing U.S. tax law and includes numerous provisions that affect our business, such as imposing a one-time transition tax on deemed repatriation of deferred foreign income, reducing the U.S. federal statutory tax rate, and adopting a territorial tax system. The TCJA required us to incur a one-time transition tax on deferred foreign income not previously subject to U.S. income tax at a rate of 15.5% for foreign cash and certain other net current assets, and 8% on the remaining income. The TCJA also reduced the U.S. federal statutory tax rate from 35% to 21% effective January 1, 2018. For fiscal year 2018, our blended U.S. federal statutory tax rate is 27.5%. This is the result of using the tax rate of 34% for the first and second quarter of fiscal year 2018 and the reduced tax rate of 21% for the third and fourth quarter of fiscal year 2018. |  |
Provisional net charge |  |  |  |  |  |  | 29,000,000
Estimated net charge |  |  |  |  |  |  | 29,000,000
Deferred foreign income |  |  |  |  |  |  | 29,010,535
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% |  |  |
Valuation allowance |  |  |  |  |  | 15,400,000 |
Deferred foreign income |  |  |  |  |  |  | 292,500,000
Enterprise Income Tax [Member] | Gufeng [Member] |  |  |  |  |  |  |
Taxes Payable (Textual) |  |  |  |  |  |  |
Income tax expense (benefit) |  |  |  |  |  | $ 3,482,862 | $ 2,471,593
Effective income tax rate reconciliation, federal |  |  |  |  |  | 25.00% |

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