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Loans Payable (Details Textual) - USD ($) |  |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 21, 2018 | Feb. 06, 2018 | Jan. 02, 2018 | Jul. 15, 2013 | Apr. 17, 2019 | Jan. 28, 2019 | Nov. 22, 2018 | Nov. 06, 2018 | Apr. 20, 2017 | Apr. 16, 2014 | Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018
Loans Payable (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unpaid balance of short term debt |  |  |  |  |  |  |  |  |  |  |  | $ 6,362,312 |  | $ 6,362,312 |  | $ 11,802,075
Unsecured bank loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, Interest rate per month |  |  |  |  |  |  |  |  |  | 0.60% |  |  |  |  |  |
Loan extension period |  | 5 years |  |  |  |  |  |  |  | 2 years |  |  |  |  |  |
Installment repayment description |  | The loan was extended for additional 5 years and will be due and payable in various installments from December 21, 2018 to June 20, 2023. |  |  |  |  |  |  |  | The Rural Credit Union of Xushui District for a term of 2 years, which was due and payable in various installments from Aug |  |  |  |  |  |
Total outstanding loan balance current |  |  |  |  |  |  |  |  |  |  |  | 1,215,909 |  | 1,215,909 |  | 1,253,060
Current portion of total outstanding loan |  |  |  |  |  |  |  |  |  |  |  | 311,046 |  | 311,046 |  | 2,491,549
Interest expense for the short-term bank loans and long-term loans |  |  |  |  |  |  |  |  |  |  |  | $ 214,907 | $ 328,955 | $ 445,860 | $ 620,294 |
Average short-term borrowing rates |  |  |  |  |  |  |  |  |  |  |  | 4.77% | 5.59% | 4.76% | 5.58% |
Loans from credit union |  |  |  |  |  |  |  |  |  |  |  | $ 7,012,682 |  | $ 7,012,682 |  | 7,197,808
Assets pledged for guarantee of Dongfang Paper capital lease |  |  |  |  |  |  |  |  |  |  |  | 4,313,899 |  | 4,313,899 |  | 5,782,640
Rural Credit Union of Xushui [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan extension period |  |  |  |  |  |  |  |  | 5 years |  | 5 years |  |  |  |  |
Installment repayment description |  |  |  |  |  |  |  |  | The loan was renewed for additional 5 years and will be due and payable in various installments from December 21, 2018 to November 5, 2023. |  | The Rural Credit Union of Xushui District for a term of 5 years, which was originally due in various installments from June 21, 2014 to November 18, 2018. |  |  |  |  |
Total outstanding loan balance current |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,491,549
Current portion of total outstanding loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,302,133
Non-current liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank of Cangzhou [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Short-term bank loans, bore interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
New Term Loans [Member] | Rural Credit Union of Xushui [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, Interest rate per month |  |  |  |  |  |  |  |  |  |  |  | 0.64% |  | 0.64% |  | 0.64%
Loan extension period |  |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |
Installment repayment description |  |  |  |  | The Rural Credit Union of Xushui District for a term of 5 years, which was originally due and payable in various installments from December 21, 2013 to July 26, 2018. |  |  |  |  |  |  |  |  |  |  |
Total outstanding loan balance current |  |  |  |  |  |  |  |  |  |  |  | $ 3,534,617 |  | $ 3,534,617 |  | $ 3,642,615
Current portion of total outstanding loan |  |  |  |  |  |  |  |  |  |  |  | 127,246 |  | 127,246 |  | 101,993
Non-current portion of total outstanding loan |  |  |  |  |  |  |  |  |  |  |  | 3,407,371 |  | 3,407,371 |  | 3,540,622
Term Loans [Member] | Rural Credit Union of Xushui [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current portion of total outstanding loan |  |  |  |  |  |  |  |  |  |  |  | 113,108 |  | 113,108 |  | 87,423
Non-current portion of total outstanding loan |  |  |  |  |  |  |  |  |  |  |  | 1,102,801 |  | 1,102,801 |  | 1,165,637
New Term Loans 1 [Member] | Rural Credit Union of Xushui [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, Interest rate per month |  |  |  |  |  | 0.60% |  |  |  |  |  |  |  |  |  |
Loan extension period |  |  |  |  |  | 2 years |  |  |  |  |  |  |  |  |  |
Installment repayment description |  |  |  |  |  | Which was due and payable in various installments from August 21, 2019 to April 16, 2021. |  |  |  |  |  |  |  |  |  |
Loan amount |  |  |  |  |  |  |  |  |  |  |  | 70,692 |  | 70,692 |  |
Non-current portion of total outstanding loan |  |  |  |  |  |  |  |  |  |  |  | 2,262,156 |  | 2,262,156 |  |
Non-current liabilities |  |  |  |  |  |  |  |  |  |  |  | 2,191,464 |  | 2,191,464 |  |
Industrial and Commercial Bank of China (“ICBC”) Loan 1 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans from credit union |  |  |  |  |  |  |  |  |  |  |  | 3,534,617 |  | 3,534,617 |  | 3,642,615
Industrial and Commercial Bank of China (“ICBC”) Loan 1 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans from credit union |  |  |  |  |  |  |  |  |  |  |  | 1,215,909 |  | 1,215,909 |  | 1,253,060
Rural Credit Union Of Xushui County Loan Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans from credit union |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,302,133
Industrial and Commercial Bank of China (“ICBC”) Loan 1 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unpaid balance of short term debt | [1] |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,079,730
Short-term bank loans, bore interest rate |  |  | 5.40% |  |  |  |  |  |  |  |  |  |  |  |  |
Loan, maturity date |  |  | Jan. 28, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |
Bank of Cangzhou [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unpaid balance of short term debt | [2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,099,662
Short-term bank loans, bore interest rate |  |  |  | 6.09% |  |  |  |  |  |  |  |  |  |  |  |
Loan, maturity date |  |  |  | Jan. 03, 2019 |  |  |  |  |  |  |  |  |  |  |  |
ICBC Loan 2 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unpaid balance of short term debt | [3] |  |  |  |  |  |  |  |  |  |  | 2,544,925 |  | 2,544,925 |  | 2,622,683
Short-term bank loans, bore interest rate |  |  |  |  |  |  |  | 4.741% |  |  |  |  |  |  |  |
Loan, maturity date |  |  |  |  |  |  |  | Nov. 26, 2019 |  |  |  |  |  |  |  |
ICBC Loan 3 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unpaid balance of short term debt | [4] |  |  |  |  |  |  |  |  |  |  | $ 3,817,387 |  | $ 3,817,387 |  |
Short-term bank loans, bore interest rate |  |  |  |  |  |  | 4.785% |  |  |  |  |  |  |  |  |
Loan, maturity date |  |  |  |  |  |  | Jan. 30, 2020 |  |  |  |  |  |  |  |  |
[1] | On February 6, 2018, the Company entered into a working capital loan agreement with the ICBC, with a balance of $4,079,730 as of December 31, 2018. The working capital loan was guaranteed by Hebei Tengsheng with its land use right pledged as collateral for the benefit of the bank. The loan bears a fixed interest rate of 5.4% per annum. The loan was due and repaid on January 28, 2019.
[2] | On January 2, 2018, the Company entered into a working capital loan agreement with the Bank of Cangzhou, with a balance of $5,099,662 as of December 31, 2018. The loan bore a fixed interest rate of 6.09% per annum. The working capital loan was secured by the Company's land use right and guaranteed by the Company's CEO and Baoding Shengde with its production equipment as collateral for the benefit of the bank. The loan was due and repaid on January 3, 2019.
[3] | On November 22, 2018, the Company entered into a working capital loan agreement with the ICBC, with a balance of $2,544,925 and $2,622,683 as of September 30, 2019 and December 31, 2018, respectively. The working capital loan is secured by the Company's land use right as collateral for the benefit of the bank. The loan bears a fixed interest rate of 4.741% per annum. The loan will be due by November 26, 2019.
[4] | On January 28, 2019, the Company entered into a working capital loan agreement with the ICBC, with a balance of $3,817,387 as of September 30, 2019. The working capital loan was guaranteed by Hebei Tengsheng with its land use right pledged as collateral for the benefit of the bank. The loan bears a fixed interest rate of 4.785% per annum. The loan will be due and repaid by January 30, 2020.

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